- Seniors Love Sudoku! Beginner - Volume I
- 101 Shakespeare Cryptograms: Bonus: 20 Word Search Puzzles!
- 100 Oscar Wilde Cryptograms: Funny Literary Puzzles for Kids, Students and Puzzle Fans
- 100 Virginia Woolf Cryptograms: Fun Word Puzzles with Virginia Woolf Quotes
- 100 Emily Dickinson Cryptograms: Puzzle Book for Poetry Fans and Students
















