Penguin · W. W. Norton & Company
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Timid Virgins Make Dull Company: And Other Puzzles, Pitfalls, And Paradoxes | Paperback | 978-0-14-008043-8 (0-14-008043-0) | 1985 |
| Visitors from the Red Planet and 76 Other Solve-Them-Yourself Mysteries | Hardcover | 978-0-393-02844-7 (0-393-02844-5) | 1990 |
| Visitors from the Red Planet and 76 Other Solve-Them-Yourself Mysteries | Paperback | 978-0-393-30690-3 (0-393-30690-9) | 1990 |