11 books • 1 series
The Anchor Puzzle Book
Romano-Celtic Mask Puzzle Padlocks
The Cube
The 15 Puzzle Book
Swipe This Pencil (Klutz)
The Tangram Book
Tricky Optical Illusion Puzzles
The Puzzle Arcade
Book of Ingenious and Diabolical Pu
New Book of Puzzles
Puzzles Old and New