Puzzles

Maths Tricks to Blow Your Mind

Discover Your IQ Potential: Over 500 Tests of Your Mental Agility

Ball of Confusion

The Great Sherlock Holmes Puzzle Book

The Original Area Mazes, Volume 2

Conundrum

Brain Teaser Cryptogram Puzzles

Solve it Like Sherlock

World’s Great Scientific Puzzles Book to Challenge & Solutions: “150 Mixed, Illustrated, All Color”

Word Rebus Puzzles

Cryptogram Puzzle Book New Zealand

Houseplants and Hot Sauce

Puzzlemaster Deck: 75 Verbal Challenges

Big Book of 150 Unique Puzzles & Solutions

Inspector Danger's Crime Quiz

Matchstick Puzzles

The World of Visual Illusions

Twentieth Century Standard Puzzle Book

The Solving Guide of the Rubik’s Cube Puzzle

Joy of Jigsaws