| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Cool Crosswords for Kids: 74 Super Puzzles to Solve | 978-1-936140-88-6 (1-936140-88-8) | 2013 | |
| Entertainment Crosswords: Movies, Music, Broadway, Sports, TV & More | 978-1-936140-82-4 (1-936140-82-9) | 2012 | |
| Quotable Cryptograms: 500 Famous Quotes to Decipher | 978-0-375-72263-9 (0-375-72263-7) | 2008 | Terry Stickels |