- Quadracrostics: A Collection of 44 Entertaining, Challenging, and Maddening Puzzles
- 8-D Crossword Puzzles: A Collection of 50 Entertaining and Directionally Challenging Puzzles, Volume 2, The All Quotes Edition
- 8-D Crossword Puzzles: A Collection of 50 Entertaining and Directionally Challenging Puzzles, Volume 3, The Insane Quotes Edition
- 8-D Word Search Puzzles: A Collection of 50 Entertaining and Challenging Clue-Based Puzzles, Volume 3: The Insane Quotes Edition
- 8-D Word Search Puzzles: A Collection of 50 Entertaining and Challenging Clue-Based Puzzles, Volume 2: The All Quotes Edition