Peter Ritmeester

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.

Books by this Author

Pocket Posh Sixy Sudoku Easy to Medium

Peter Ritmeester

Pocket Posh Sixy Sudoku Hard

Peter Ritmeester