The Mini Book of Logic Puzzles Hitori
12 primary works
Book 3
Book 4
Book 5
Book 6
Book 7
Book 9
Book 10
Book 11
Book 13
Book 14
Book 15
Book 16
12 primary works
Book 3
Book 4
Book 5
Book 6
Book 7
Book 9
Book 10
Book 11
Book 13
Book 14
Book 15
Book 16