| title | ISBN-13 | year of publication |
|---|
| A Face in the Window | 978-0-7814-0511-9 | 1992 |
| Double Trouble | 978-0-8423-0801-4 | 1982 |
| Elizabeth Gail and Double Trouble | 978-0-8423-0715-4 | 1982 |
| Elizabeth Gail and the Dangerous Double | 978-0-8423-0742-0 | 1988 |
| Elizabeth Gail and the Frightened Runaways | 978-0-8423-0728-4 | 1989 |
| Elizabeth Gail and the Handsome Stranger #15 | 978-0-8423-0806-9 | 1989 |
| Elizabeth Gail and the Handsome Stranger | 978-0-8423-0707-9 | 1983 |
| Elizabeth Gail and the Holiday Mystery | 978-0-8423-0713-0 | 1982 |
| Elizabeth Gail and the Missing Love Letters | 978-0-8423-0807-6 | 1989 |
| Elizabeth Gail and the Missing Love Letters | 978-0-8423-0709-3 | 1982 |
| Elizabeth Gail and The Music Camp Romance | 978-0-8423-0708-6 | 1989 |
| Elizabeth Gail and the Music Camp Romance | 978-0-8423-0808-3 | 1989 |
| Elizabeth Gail and the Mystery at the Johnson Farm | 978-0-8423-0739-0 | 1988 |
| Elizabeth Gail and the Secret Box | 978-0-8423-0721-5 | 1979 |
| Elizabeth Gail and the Secret Box: Wind Rider Books # 2 | 978-0-8423-0740-6 | 1988 |
| Elizabeth Gail and the Secret Love | 978-0-8423-0706-2 | 1987 |
| Elizabeth Gail and the Silent Piano | 978-0-8423-0718-5 | 1989 |
| Elizabeth Gail and the Silent Piano | 978-0-8423-0810-6 | 1989 |
| Elizabeth Gail and the Summer for Weddings | 978-0-8423-0731-4 | 1983 |
| Elizabeth Gail and the Time for Love | 978-0-8423-0813-7 | 1989 |
| Hiding Out | 978-0-8423-4074-8 | 2002 |
| Surprise at Big Key Ranch | 978-0-8423-7631-0 | 1990 |
| Teddy Jo & the Terrible Secret | 978-0-8423-6943-5 | |
| Teddy Jo and the Abandoned House | 978-0-8423-6949-7 | 1984 |
| Teddy Jo and the Broken Locket Mystery | 978-0-8423-6968-8 | 1986 |
| Teddy Jo and the Great Dive | 978-0-8423-6952-7 | 1985 |
| Teddy Jo and the Kidnapped Heir | 978-0-8423-6951-0 | 1984 |
| Teddy Jo and the Magic Quill | 978-0-8423-6953-4 | 1985 |
| Teddy Jo and the Missing Family | 978-0-8423-6970-1 | 1986 |
| Teddy Jo and the Missing Family No. 14 | 978-0-8423-6987-9 | 1990 |
| Teddy Jo and the Missing Portrait | 978-0-8423-6969-5 | 1986 |
| Teddy Jo and the Ragged Beggars | 978-0-8423-6980-0 | 1991 |
| Teddy Jo and the Ragged Beggars | 978-0-8423-6950-3 | 1984 |
| Teddy Jo and the Stolen Ring | 978-0-8423-6945-9 | 1989 |
| Teddy Jo and the Stolen Ring | 978-0-8423-6975-6 | 1989 |
| Teddy Jo and the Strange Medallion | 978-0-8423-6947-3 | 1983 |
| Teddy Jo and the Strange Medallion No. 5 | 978-0-8423-6977-0 | 1990 |
| Teddy Jo and the Strangers in the Pink House | 978-0-8423-6976-3 | 1990 |
| Teddy Jo and the Strangers in the Pink House | 978-0-8423-6946-6 | 1983 |
| Teddy Jo and the Terrible Secret/No. 1 | 978-0-8423-6973-2 | 1982 |
| Teddy Jo and the Wild Dog | 978-0-8423-6948-0 | 1983 |
| Teddy Jo and the Yellow Room Mystery | 978-0-8423-6944-2 | 1990 |
| Teddy Jo and the Yellow Room Mystery | 978-0-8423-6974-9 | 1990 |
| The Covenant/The Inheritance/The Dream | 978-0-7852-6342-5 | 1996 |
| The Covenant/The Inheritance/The Dream | 978-0-7852-7405-6 | 1996 |
| The Dangerous Double | 978-0-8423-4070-0 | 2001 |
| The Dangerous Double | 978-0-8423-0723-9 | 1980 |
| The Disappearance | 978-0-8423-4069-4 | 2001 |
| The Frightened Runaways | 978-0-8423-0805-2 | 1989 |
| The Fugitive | 978-0-8423-4078-6 | 2001 |
| The Great Canoe Conspiracy | 978-0-8423-0815-1 | 1991 |
| The Holiday Mystery | 978-0-8423-0802-1 | 1982 |
| The Mystery at the Johnson Farm | 978-0-8423-4067-0 | 2001 |
| The Mystery at the Johnson Farm | 978-0-8423-0720-8 | 1978 |
| The Mystery of the Hidden Key | 978-0-8423-4077-9 | 2001 |
| The Mystery of the Hidden Key | 978-0-8423-0816-8 | 1992 |
| The Secret Box | 978-0-8423-4068-7 | 2001 |
| The Secret Love | 978-0-8423-0809-0 | 1989 |
| The Secret of the Gold Charm | 978-0-8423-4076-2 | 2001 |
| The Secret of the Gold Charm | 978-0-8423-0817-5 | 1992 |
| The Strange Birthday Party | 978-0-8423-0724-6 | 1989 |
| The Strange Birthday Party | 978-0-8423-0803-8 | 1989 |
| The Summer for Weddings | 978-0-8423-0811-3 | 1988 |
| The Teddy Bear Mystery | 978-0-8423-0741-3 | 1988 |
| The Teddy Bear Mystery | 978-0-8423-0722-2 | 1979 |
| The Terrifying News | 978-0-8423-0725-3 | 1989 |
| The Terrifying News | 978-0-8423-0812-0 | 1989 |
| The Time for Love | 978-0-8423-0732-1 | 1989 |
| The Trouble at Sandhill Ranch | 978-0-8423-4071-7 | 2001 |
| The Trouble at Sandhill Ranch | 978-0-8423-0726-0 | 1989 |
| The Tyler Twins: Latchkey Kids | 978-0-8423-7628-0 | 1988 |
| The Tyler Twins: Mystery of the Missing Grandfather | 978-0-8423-7630-3 | 1988 |
| The Tyler Twins No 3: Pet Show Panic | 978-0-8423-7633-4 | 1990 |
| The Tyler Twins: Pet Show Panic | 978-0-8423-7627-3 | |
| The Tyler Twins: Swamp Monster | 978-0-8423-7626-6 | 1986 |
| The Tyler Twins: Tree House Hideaway | 978-0-8423-7629-7 | 1988 |
| The Unexpected Letter | 978-0-8423-4073-1 | 2002 |
| The Uninvited Guests | 978-0-8423-4072-4 | 2002 |
| Tina | 978-0-8423-7221-3 | 1982 |
| Tina's Dangerous Secret | 978-0-8423-7211-4 | 1981 |
| Tina's Eighteenth Summer | 978-0-8423-7219-0 | 1982 |
| Tina's Elusive Enemy | 978-0-8423-7213-8 | 1981 |
| Tina's Reluctant Friend | 978-0-8423-7216-9 | 1982 |
| Tina's Secret Rival | 978-0-8423-7215-2 | 1982 |
| Tina's Surprise Romance | 978-0-8423-7220-6 | 1982 |
| Tina's Unwelcome Intruder | 978-0-8423-7217-6 | 1981 |
| Tree House Hideaway | 978-0-8423-7635-8 | 1990 |
| Trouble from the Past | 978-0-8423-4075-5 | 2002 |
| Trouble from the Past | 978-0-8423-0717-8 | 1989 |
| Trouble from the Past | 978-0-8423-0804-5 | 1989 |