| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| A Companion to The Crying of Lot 49 | Paperback | 978-0-8203-3208-6 | 2008 |
| A Companion to The Crying of Lot 49 | Hardcover | 978-0-8203-1635-2 | 1994 |
| A Companion to The Crying of Lot 49 | Paperback | 978-0-8203-1636-9 | 1994 |
| A Companion to V. | " | 978-0-8203-2251-3 | 2001 |