| year of publication | ISBN | author(s) | title |
|---|
| 1993 | 978-1-56882-004-0 | Kevin Hassall · Scott Aniolowski · Todd A. Woods · Fred Behrendt · Andrew Leman · Jamie Anderson | Adventures in Arkham Country (Call of Cthulhu Horror Roleplaying, 1920s) |
| '' | 978-1-56882-006-4 | Greg Stafford · Sam Shirley | King Arthur Pendragon: Epic Roleplaying in Legendary Britain |
| '' | 978-1-56882-009-5 | Robert M. Price | The Hastur Cycle: 13 Tales That Created and Define Dread Hastur, of the King in Yellow, Nighted Yuggoth, and Dire Carcosa (Call of Cthulhu Books) |
| '' | 978-1-56882-012-5 | Robert Bloch | Mysteries of the Worm (Cthulhu Cycle Books) |
| 1994 | 978-1-56882-013-2 | D.F. Lewis | Cthulhu's Heirs: New Cthulhu Mythos Fiction (Call of Cthulhu Novel) |
| '' | 978-1-56882-016-3 | John Carnahan | Pagan Shore/Ireland in the Age of King Arthur (Pendragon Roleplaying Adventure) |
| 1994 | 978-1-56882-017-0 | Robert M. Price | Shub Niggurath Cycle (Call of Cthulhu Fiction) |
| '' | 978-1-56882-019-4 | Scott David Aniolowski · Fred Behrendt | Ye Booke of Monstres: The Aniolowski Collection, Vol 1 (Call of Cthulhu Horror Roleplaying) |
| 2004 | 978-1-56882-026-2 | Various | Beyond The Wall: Pictland & The North (Pendragon) |
| 1996 | 978-1-56882-038-5 | Donald R. Burleson · Leonard Carpenter · Pierre Comtois · August William Derleth · Edward John Moreton Drax Plunkett, Baron Dunsany · Alan Dean Foster · C. J. Henderson · M. R. James | The Cthulhu Cycle: Thirteen Tentacles of Terror (Call of Cthulhu Fiction) |
| 1994 | 978-1-56882-039-2 | Daniel Harms | Encyclopedia Cthulhiana (Call of Cthulhu Novel) |
| 1995 | 978-1-56882-040-8 | Edward Pickman Derby · Stephen Mark Rainey · Richard L. Tierney | The Azathoth Cycle: Tales of the Blind Idiot God (Call of Cthulhu Fiction) |
| 2007 | 978-1-56882-043-9 | Greg Stafford | Wyrm's Footprints: Gloranthan Legends and Lore (Runequest/Heroquest) |
| 1995 | 978-1-56882-045-3 | Henry Kuttner | The Book of Iod (Cthulhu Cycle Books) |
| '' | 978-1-56882-046-0 | Ramsey Campbell · A. A. Attanasio · Donald Burleson · C. J. Henderson · J. Todd Kingrea · Richard A. Lupoff · Kevin A. Ross · Gary Sumpter | Made in Goatswood (Call of Cthulhu) |
| '' | 978-1-56882-047-7 | Robert M. Price | The Dunwich Cycle: Where the Old Gods Wait (Cthulhu Cycle Books) |
| 1997 | 978-1-56882-050-7 | James Palmer · Liam Routt | Lordly Domains (Pendragon Role Playing Game Series) |
| 1996 | 978-1-56882-054-5 | Edward P. Berglund | The Disciples of Cthulhu (Call of Cthulhu Novel) |
| '' | 978-1-56882-069-9 | Larry Ditillio · Lynn Willis | The Complete Masks of Nyarlathotep (Call of Cthulhu Role Playing Game Series) |
| 1996 | 978-1-56882-070-5 | Robert Silverberg · John Brunner · H. P. Lovecraft | The Necronomicon: Selected Stories & Essays Concerning the Blasphemous Tome of the Mad Arab (Cthluhu Mythos Fiction Series) |
| 1997 | 978-1-56882-078-1 | Lin Carter · Howard Phillips Lovecraft | The Xothic Legend Cycle: The Complete Mythos Fiction of Lin Carter (Call of Cthulhu) |
| 1996 | 978-1-56882-086-6 | Chris Williams · Sandy Petersen | The Complete Dreamlands (Call of Cthulhu) |
| 1997 | 978-1-56882-089-7 | Fred Van Lente | The New Orleans Guidebook (Call of Cthulhu) |
| '' | 978-1-56882-092-7 | Robert Price | The Nyarlathotep Cycle (Call of Cthulhu Fiction) |
| '' | 978-1-56882-094-1 | Chambers · Wagner · James Blish · Nacher · H. P. Lovecraft · Lujroff · Ramsey Campbell | The Hastur Cycle (Cthluhu Mythos Fiction Series) |
| '' | 978-1-56882-095-8 | Sam Johnson | Resection of Time (Call of Cthulhu) |
| '' | 978-1-56882-100-9 | Brian M. Sammons | Secrets (Call of Cthulhu) |
| 1997 | 978-1-56882-104-7 | John Tynes | Singers of Strange Songs: A Celebration of Brian Lumley (Call of Cthulhu Fiction) |
| '' | 978-1-56882-105-4 | Richard L. Tierney | Scroll of Thoth: Simon Magus and the Great Old Ones- Twelve Tales of the Cthulhu Mythos (Call of Cthulhu) |
| '' | 978-1-56882-106-1 | Keith Herber · John Crowe · Kenneth · Jr. Faig | The 1920s Investigator's Companion: A Core Game Book for Players (Call of Cthulhu) |
| 1998 | 978-1-56882-113-9 | Robert M. Price | The Innsmouth Cycle: The Taint of the Deep Ones (Call of Cthulhu Fiction) |
| 1997 | 978-1-56882-115-3 | Robert M. Price · Kevin Ross | Escape from Innsmouth (Call of Cthulhu Horror Roleplaying) |
| 2001 | 978-1-56882-117-7 | Stephen Mark Rainey | Song of Cthulhu: Tales of Spheres Beyond Sound (Call of Cthulhu Fiction) |
| 1999 | 978-1-56882-118-4 | Joseph Pulver | Nightmare's Disciple |
| 1998 | 978-1-56882-119-1 | Daniel Harms | The Encyclopedia Cthulhiana: A Guide to Lovecraftian Horror (Call of Cthulhu Fiction) |
| 2001 | 978-1-56882-120-7 | Bruce Ballon · Matt Harpold · Paul Carrick | Unseen Masters: Modern Struggles Against Hidden Powers (Cthulhu Modern Roleplaying) |
| 1997 | 978-1-56882-121-4 | Greg Stafford | Boy King: Arthur Claims the Throne of Britain, 2nd Edition (Pendragon) |
| 1998 | 978-1-56882-122-1 | Justin Schmid | The Bermuda Triangle (Call of Cthulhu Horror Roleplaying, 1990s Era) |
| '' | 978-1-56882-123-8 | Kevin Ross · J. Todd Kingrea · Richard Watts | Dead Reckonings (Call of Cthulhu Roleplaying Game) |
| 1999 | 978-1-56882-124-5 | James Ambuehl · Algernon Blackwood · Joseph Payne Brennan · Pierre Comtois · August William Derleth · George C., II Diezel · George Allan England · Gordon Linzner | The Ithaqua Cycle: The Wind-Walker of the Icy Wastes (Call of Cthulhu Fiction) |
| 2000 | 978-1-56882-126-9 | Robert W. Chambers | The Yellow Sign and Other Stories |
| 1999 | 978-1-56882-127-6 | Robert M. Price | Tales Out of Innsmouth: New Stories of the Children of Dagon (Call of Cthulhu Fiction) |
| 2002 | 978-1-56882-129-0 | '' | The Book of Eibon (Call of Cthulhu Fiction) |
| 2005 | 978-1-56882-130-6 | Robert E. Howard | Nameless Cults: The Cthulhu Mythos Fiction of Robert E. Howard (Call of Cthulhu Fiction) |
| '' | 978-1-56882-131-3 | Clark Ashton Smith | The Tsathoggua Cycle: Terror Tales of the Toad God (Call of Cthulhu Fiction) |
| 2007 | 978-1-56882-132-0 | Arthur Machen | The Three Impostors and Other Stories: Vol. 1 of the Best Weird Tales of Arthur Machen (Call of Cthulhu Fiction) (v. 1) |
| 1998 | 978-1-56882-135-1 | Ralph Dula · Michael Lay · Gary O'Connell · Gary Sumpter · Lucya Szachnowski | Before the Fall: Innsmouth Adventures Prior to the Great Raid of 1928 (Call of Cthulhu) |
| 1999 | 978-1-56882-137-5 | Paul Carrick (Illustrator) Ian Winterton | Last Rites: Four Present-Day Adventures for Call of Cthulhu (Call of Cthulhu Roleplaying Game) |
| 1999 | 978-1-56882-138-2 | Charles Engan · Janyce Engan | Beyond the Mountains of Madness: An Epic Campaign and Sourcebook (Call of Cthulhu Horror Roleplaying, #2380) |
| 2005 | 978-1-56882-140-5 | Sam Johnson | Miskatonic University: A Sourcebook (Call of Cthulhu Horror Roleplaying) |
| 2007 | 978-1-56882-143-6 | Various | The Disciples of Cthulhu II |
| 2000 | 978-1-56882-144-3 | Keith Herber · William Deitze | The Keeper's Companion: Blasphemous Knowledge, Forbidden Secrets: A Core Book for Keepers, Vol. 1 (Call of Cthulhu Horror Roleplaying, #2388) |
| 1999 | 978-1-56882-146-7 | Arthur C. Clarke · John Glasby · Roger Johnson · H. P. Lovecraft · Edgar Allan Poe · John Taine · Jules Verne · Colin Wilson | The Antarktos Cycle: Horror and Wonder at the Ends of the Earth (Call of Cthulhu Fiction) |
| 2000 | 978-1-56882-148-1 | Sandy Petersen · Lynn Willis | Call Of Cthulhu: Horror Roleplaying In the Worlds Of H.P. Lovecraft (5.6.1 Edition / Version 5.6.1) |
| 2001 | 978-1-56882-150-4 | et al Charlie Krank | Dragon Lords of Melnibone: Adventuring in a Dark World of Law & Chaos (Dragon Lords of Melnibone (D20),2017,) |
| 2004 | 978-1-56882-151-1 | Sandy Peterson · Lynn Willis | Call of Cthulhu: Horror Roleplaying in the Worlds of H. P. Lovecraft (20th Anniversary Leatherbound Edition) |
| 2001 | 978-1-56882-152-8 | Lynn Willis | Michael Moorcook's Stormbringer (Stormbringer Roleplaying Game, 2115) |
| '' | 978-1-56882-153-5 | Scott David Aniolowski · Gary Sumpter | Ramsey Campbell's Goatswood and Less Pleasant Places: A Present Day Severn Valley Sourcebook and Campaign (Call of Cthulhu roleplaying) |
| 2002 | 978-1-56882-154-2 | Jason Durall | Slaves of Fate: An Adventure for Dragon Lords of Melnibone (Elric/Stormbringer D20) |
| 2005 | 978-1-56882-156-6 | Michael Dziesinski | Secrets of Japan (Call of Cthulhu Horror Roleplaying, Modern Era) |
| 2004 | 978-1-56882-157-3 | Sandy Petersen Chris Williams | H. P. Lovecraft's Dreamlands (Call of Cthulhu Horror Roleplaying) |
| 2007 | 978-1-56882-159-7 | John D. Rateliff · James Lowder · Wolfgang Baur · Jeff Tidball | Pulp Cthulhu: Reckless Adventures in the 1930's (D20 Call of Cthulhu, 8800) |
| 2008 | 978-1-56882-160-3 | Clark Ashton Smith | The Klarkash-Ton Cycle: The Lovecraftian Fiction of Clark Ashton Smith (Chaosium Fiction) (Call of Cthulhu Fiction) |
| 2002 | 978-1-56882-162-7 | Frederik Pohl · John Brunner · Robert A. Silverberg | The Necronomicon: Selected Stories and Essays Concerning the Blasphemous Tome of the Mad Arab (Call of Cthulhu Horror Fiction, 6034) |
| '' | 978-1-56882-164-1 | Keith Herber | H.P. Lovecraft's Dunwich: Return to the Forgotten Village (Call of Cthulhu Roleplaying, 8802) |
| 2003 | 978-1-56882-165-8 | Keith Herber · et al. | H.P. Lovecraft's Arkham: Unveiling the Legend-Haunted City (Call of Cthulhu Horror Roleplaying, Chaosium # 8803) |
| 2002 | 978-1-56882-166-5 | Aaron Rosenberg · Dustin Wright | Call of Cthulhu Gamemasters Pack: d20, Horror Roleplaying, 8801 |
| 2003 | 978-1-56882-167-2 | Kevin Ross | H.P. Lovecraft's Kingsport: City in the Mists (Call of Cthulhu Roleplaying, 8804) |
| '' | 978-1-56882-168-9 | Greg Stafford · Lynn Willis | Basic Roleplaying: The Chaosium System |
| '' | 978-1-56882-169-6 | Daniel Harms | Encyclopedia Cthulhiana: A Guide to Lovecraftian Horror (Call of Cthulhu Fiction) |
| 2004 | 978-1-56882-170-2 | Robert W. Chambers | The Yellow Sign and Other Stories: The Complete Weird Tales of Robert W. Chambers (Call of Cthulhu Fiction) |
| 2004 | 978-1-56882-171-9 | Stephane Gesbert | Cthulhu Dark Ages (Call of Cthulhu Horror Roleplaying, Chaosium #2398) |
| 2003 | 978-1-56882-172-6 | Arthur Machen | The White People and Other Stories: Vol. 2 of the Best Weird Tales of Arthur Machen (Call of Cthulhu Fiction) |
| 2004 | 978-1-56882-173-3 | Sandy Petersen · Lynn Willis | Call of Cthulhu: Horror Role Playing in the Worlds of H. P. Lovecraft (Call of Cthulhu Roleplaying, 2396) |
| '' | 978-1-56882-174-0 | Sandy Petersen | Shadows of Yog-Sothoth: A Global Campaign to Save Mankind (Call of Cthulhu Horror Roleplaying) |
| 2005 | 978-1-56882-175-7 | S. T. Joshi (Editor) Arthur Machen | The Terror and Other Stories: Vol. 3 of The Best Weird Tales of Arthur Machen (Call of Cthulhu Fiction) |
| 2009 | 978-1-56882-176-4 | Robert Bloch | Mysteries of the Worm: Early Tales of the Cthulhu Mythos (Call of Cthulhu Fiction) |
| 2004 | 978-1-56882-177-1 | Andre Bishop · Fred Behrendt · Gary Sumpter · John Tynes · Richard Watts · Steve Hatherley · William Jones | The Stars Are Right! - Nine Disturbing Tales of Mankind's Corruption (Call of Cthulhu Horror Roleplaying) |
| 2005 | 978-1-56882-178-8 | Keith Herber | Spawn Of Azathoth: Herald of the End Of Time (Call of Cthulhu Horror Roleplaying) |
| 2006 | 978-1-56882-179-5 | Scott David Aniolowski | Malleus Monstrorum: Creatures, Gods, & Forbidden Knowledge (Call of Cthulhu Horror Roleplaying) (Call of Cthulhu Roleplaying Game) |
| 2005 | 978-1-56882-180-1 | William Jones | Secrets Of New York: A Mythos Guide to the City That Never Sleeps (Call of Cthulhu Horror Roleplaying) |
| '' | 978-1-56882-181-8 | Sandy Petersen · Lynn Willis | Call of Cthulhu: Horror Roleplaying in the Worlds of H. P. Lovecraft, 6th Edition |
| 2006 | 978-1-56882-184-9 | Tim Wiseman | Tatters of the King: Hastur's Gaze Gains Brief Focus Upon the Earth (Call of Cthulhu Horror Roleplaying) |
| '' | 978-1-56882-185-6 | William Jones | Arkham Tales: Stories of the Legend Haunted City |
| 2002 | 978-1-56882-186-3 | Adam Gauntlett · Brian M. Sammons | The Keeper's Companion 2: Prohibition, Firearms, Tomes, & Creatures (Call of Cthulhu roleplaying) |
| 2006 | 978-1-56882-187-0 | Cody Goodfellow · David Conyers · Brian M. Sammons · Elizabeth A. Wolcott · Hilary Ayer | Secrets of San Francisco: A 1920s Sourcebook for the City By the Bay (Call of Cthulhu Horror Roleplaying) |
| 2007 | 978-1-56882-188-7 | David Conyers | Secrets of Kenya: The Mythos Roams Wild (Call of Cthulhu) |
| 2008 | 978-1-56882-189-4 | Jason Durall · Sam Johnson | Basic Roleplaying: The Chaosium system (Basic Roleplaying) |
| 2006 | 978-1-56882-190-0 | Edward John Moreton Dunsany | The Complete Pegana: All the Tales Pertaining to the Fabulous Realm of Pegana (Call of Cthulhu) |
| '' | 978-1-56882-191-7 | A. Blackwood · A. Derleth | The Ithaqua Cycle: The Wind-Walker of the Icy Wastes |
| 2006 | 978-1-56882-192-4 | H. P. Lovecraft · Robert W. Chambers · Robert M. Price | The Hastur Cycle: 13 Tales of Horror Defining Hastur, the King in Yellow, Yuggoth, and the Dread City of Carcosa (Call of Cthulhu Fiction) |
| '' | 978-1-56882-193-1 | Clark Ashton Smith · Lin Carter | The Book of Eibon: Histories of the Elder Magi, Episodes of Eibon of Mhu Thulan, the Papyrus of the Dark Wisdom, Psalms of the Silent, and the Eibonic Rituals |
| '' | 978-1-56882-195-5 | Lin Carter | The Xothic Legend Cycle: The Complete Mythos Fiction of Lin Carter |
| '' | 978-1-56882-199-3 | H. P. Lovecraft · Robert M. Price | The Innsmouth Cycle: The Taint of the Deep Ones in 13 Tales |
| '' | 978-1-56882-200-6 | H. P. Lovecraft | The Nyarlathotep Cycle |
| 2006 | 978-1-56882-201-3 | H. P. Lovecraft · Robert M. Price | Tales Out of Innsmouth (Call of Cthulhu Fiction) |
| '' | 978-1-56882-204-4 | Robert · M. Price | The Antarktos Cycle: At the Mountains of Madness and other chilling tales (Call of Cthulhu Fiction) |
| 2007 | 978-1-56882-211-2 | Michael DeWolfe · Wesley Martin · Mark Morrison · Penelope Love · Lian Routt · Keith Herber · Fred Behrendt | Mansions of Madness (Call of Cthulhu Horror Roleplaying, 1920s Era) |
| '' | 978-1-56882-212-9 | David Conyers · John Sunseri | The Spiraling Worm: Man Versus the Cthulhu Mythos (Call of Cthulhu Fiction) |
| '' | 978-1-56882-213-6 | Peter Aperlo | Secrets of Los Angeles: A Guidebook to the City of Angels in the 1920s (Call of Cthulhu Roleplaying) |
| '' | 978-1-56882-219-8 | William Jones | Frontier Cthulhu: Ancient Horrors in the New World (Call of Cthulhu Fiction) |
| 2008 | 978-1-56882-220-4 | '' | The Strange Cases of Rudolph Pearson: Horripilating Tales of the Cthulhu Mythos (Call of Cthulhu Fiction) |
| 2010 | 978-1-56882-235-8 | Shane Jiraiya Cummings · David Witteveen · William Jones · John Goodrich · Cody Goodfellow · Penelope Love · Peter A. Worthy · Oscar Rios | Cthulhu's Dark Cults (Call of Cthulhu Fiction) |
| 2008 | 978-1-56882-249-5 | William Jones | Secrets of Morocco: Eldritch Explorations in the Ancient Kingdom (Call of Cthulhu Horror Roleplaying) |
| 2007 | 978-1-56882-280-8 | Keith Herber · John Crowe · Kenneth Faig · Jr. · Justin Hynes · Andrew Leman · Paul McConnell · Anne Merritt | The Investigator's Companion: A Core Game Book for Players (Call of Cthulhu roleplaying) |
| 2009 | 978-1-56882-287-7 | Gary Sumpter · John Almack · Glyn White · Brian Courtemanche · Brian Sammons · David Conyers | Terrors From Beyond: Nightmares Unraveled in Six Scenarios (Call of Cthulhu Horror Roleplaying) (Call of Cthulhu Roleplaying) |
| 2009 | 978-1-56882-302-7 | Fred Van Lente | Secrets of New Orleans: A 1920s Sourcebook to the Crescent City (Call of Cthulhu roleplaying) |
| '' | 978-1-56882-305-8 | Chad Bowser · Andi Newton | Cthulhu Invictus: A Sourcebook for Ancient Rome (Call of Cthulhu roleplaying) |
| 2010 | 978-1-56882-306-5 | Sarah Newton | The Chronicles of Future Earth: A Setting Book for Basic Roleplaying |
| '' | 978-1-56882-321-8 | Brian Courtemanche · Matt Sanborn | Arkham Now: Revisiting the Legend-Haunted City (Call of Cthulhu Roleplaying) |
| '' | 978-1-56882-326-3 | Christopher Smith Adair · Shannon R. Bell · Alessandro Mana · Davide Mana · Eckhard Huelshoff · Adam Crossingham · Michael Dziesinski · Gary Sumpter | Strange Aeons II: Nine Adventures in Unusual Times & Places (Call of Cthulhu Roleplaying) |
| '' | 978-1-56882-327-0 | Robert M. Price | The Yith Cycle: Lovecraftian Tales of the Great Race and Time Travel (Call of Cthulhu Fiction) |
| 2010 | 978-1-56882-328-7 | Troy Wilhelmson | Devil's Gulch: Basic Roleplaying Adventures in the Weird Wild West (Basic Roleplaying system) |
| '' | 978-1-56882-329-4 | Larry Ditillio · Lynn Willis | Masks of Nyarlathotep: Perilous Adventures to Thwart the Dark God (Call of Cthulhu roleplaying) |
| 2011 | 978-1-56882-337-9 | Chad Bowser · Andi Newton · and friends | Cthulhu Invictus Companion: The Mythos Threatens Ancient Rome (Call of Cthulhu roleplaying) |
| 2010 | 978-1-56882-345-4 | Chaosium | Call of Cthulhu Keeper's Screen (for 6th edition) |
| 2011 | 978-1-56882-347-8 | Jason Durall · Sam Johnson | Basic Roleplaying: The Chaosium Roleplaying System |
| '' | 978-1-56882-349-2 | Lois H. Gresh | Eldritch Evolutions: 26 Weird Science Fiction, Dark Fantasy, & Horror Stories (Call of Cthulhu Fiction) |
| 2012 | 978-1-56882-352-2 | Pedro Ziviani | Mythic Iceland (Basic Roleplaying) |
| '' | 978-1-56882-355-3 | William A. Barton · Kevin Ross | Cthulhu by Gaslight: Horror Roleplaying in 1890s England (Call of Cthulhu) |
| 2016 | 978-1-56882-430-7 | Sandy Petersen · Lynn Willis · Mike Mason | Call of Cthulhu Rpg Keeper Rulebook: Horror Roleplaying in the Worlds of H.p. Lovecraft (Call of Cthulhu Roleplaying) |