Phil Fraas
The Best Brain Exercise Puzzle Book for Adults: Large Print, Easy to Medium - Sudoku, Calcudoku, Killer Sudoku, Futoshiki, Thermo Sudoku, and Logic
Phil Fraas , the author of the #1 best-selling "Ultimate Brain Health Puzzle Book" is back with another great collection! 150 number and logic puzzles - six different types of puzzles: Sudoku, Calcudoku, Killer Sudoku, Futoshiki, Thermo Sudoku, and Logic Puzzles , because variety is better brain...
$12.95