Peter Ritmeester

8 books

Peter Ritmeester is founder and owner of PZZL.com and was General Secretary of the World Puzzle Federation (WPF) for twelve years.  Books with his sudoku, presented by Will Shortz, have been on the bestseller lists for more than ten years.
Oct 28, 2021
Cover of Pocket Posh Sixy Sudoku Hard

Pocket Posh Sixy Sudoku Hard

Oct 28, 2021
Cover of Pocket Posh Sixy Sudoku Easy to Medium

Pocket Posh Sixy Sudoku Easy to Medium

Jan 19, 2016
Cover of Brain Benders for Geniuses

Brain Benders for Geniuses

Jan 19, 2016
Cover of Brain Benders for Einsteins

Brain Benders for Einsteins

Jan 19, 2016
Cover of Brain Benders for Champions

Brain Benders for Champions

Jan 19, 2016
Cover of Brain Benders for Eggheads

Brain Benders for Eggheads

Jul 14, 2015
Cover of The New York Times Pocket Posh Brain Games 2

The New York Times Pocket Posh Brain Games 2

May 29, 2007
Cover of Will Shortz Presents Sudoku in the Sun

Will Shortz Presents Sudoku in the Sun