W.P. · W.W. · Walter Wick
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| I Spy Christmas: A Book of Picture Riddles | 978-0-590-45846-7 (0-590-45846-9) | 1992 | Jean Marzollo |
| I Spy Fun House: A Book of Picture Riddles | 978-0-590-46293-8 (0-590-46293-8) | 1993 | " |