Tridoku
14 primary works
Book 1
Sudoku Tridoku - 200 Easy to Master Puzzles 9x9 (Volume 1)
by Dart Veider
Book 2
Book 3
Book 4
Book 5
Book 6
Sudoku Tridoku - 200 Easy to Normal Puzzles 9x9 (Volume 6)
by Dart Veider
Book 7
Sudoku Tridoku - 200 Hard to Master Puzzles 9x9 (Volume 7)
by Dart Veider
Book 8
Book 9
Book 10
Book 11
Book 12
Book 13
Book 14