Even Odd Sudoku

Odd Even Sudoku: Sudoku with some hints

2000 Mix Sudoku Puzzles: Easy to Expert: Sudoku, Diagonal Hyper Killer Asterisk & Even/Odd

Hard Sudoku Even Odd Puzzle Book For Adults: 250 Advanced Players

Odd Even Sudoku: 100 Easy-Medium-Hard Sudoku puzzles with solutions and How-to-Play instructions