| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kids Across, Parents Down: Crazy Critters: The Puzzles That Kids & Adults Enjoy Together | 978-0-7624-2930-1 (0-7624-2930-5) | 2007 |
| Kids Across, Parents Down: On the Go: The Puzzles That Kids & Adults Enjoy Together | 978-0-7624-2931-8 (0-7624-2931-3) | 2007 |
B. W. · B. Walker · J.B. · J. B. Walker · J. W. · J. Walker · Jan W · Jan Walker