John Collins

John Collins is the author of "Numbricks - 120 Easy to Master Puzzles 10x10 - 6", "Straights - 120 Easy to Master Puzzles 7x7 - 14", "Suguru - 120 Easy to Master Puzzles 6x6 - 5" and "Sudoku Jigsaw - 120 Easy to Master Puzzles 8x8 - 4".

Books by John Collins

Straights - 120 E...
Collins, John
Paperback: $6.99

Sudoku Jigsaw - 1...
Collins, John
Paperback: $6.99

Suguru - 120 Easy...
Collins, John
Paperback: $6.99