Easy as Pie Crosswords: Mega-Easy!
Stanley Newman
Hard as a Rock Crosswords: Extra Hard
Blockbuster Book of Sudoku
Frank Longo
Hard as a Rock Crosswords: Really Hard
Hard as a Rock Crosswords: Super Hard
The Peaceful Mind Book of Mazes
Dave Phillips
The Peaceful Mind Book of Sudoku
The Peaceful Mind Book of Japanese Logic Puzzles
Nikoli
Memory Puzzles to Exercise Your Mind
Luke Sharpe
tokidoki Puzzle Book
tokidoki
Montague Island Memoirs
R. Wayne Schmittberger
Chess Basics
Nigel Short
Star Battle Puzzles
Jim Bumgardner
Healthy Brain Book of IQ Puzzles
Fraser Simpson
Large Print Wordoku
Easy Come, Easy Go Crosswords
Patrick Blindauer
