Blockbuster Book of Sudoku
Frank Longo
Hard as a Rock Crosswords: Really Hard
Stanley Newman
Hard as a Rock Crosswords: Super Hard
Easy as Pie Crosswords: Mega-Easy!
Hard as a Rock Crosswords: Extra Hard
The Peaceful Mind Book of Japanese Logic Puzzles
Nikoli
The Peaceful Mind Book of Mazes
Dave Phillips
The Peaceful Mind Book of Sudoku
Montague Island Memoirs
R. Wayne Schmittberger
Chess Basics
Nigel Short
