Hidato

200 Pure Logic Puzzles

Gyora Benedek

Games & Activities / Logic & Brain Teasers

Things to Make and Do in the Fourth Dimension

A Mathematician's Journey Through Narcissistic Numbers, Optimal Dating Algorithms, at Least Two Kinds of Infinity, and More

Matt Parker

Games & Activities / Logic & Brain Teasers

Brainteaser Physics

Challenging Physics Puzzlers

Göran Grimvall

Games & Activities / Logic & Brain Teasers

Challenge

Holly Jacobson , Jennifer Richard Jacobson

Games & Activities / Logic & Brain Teasers

Critias

Plato

Games & Activities / Logic & Brain Teasers

The Big Book of Baseball Brainteasers

Dom Forker , Robert Obojski , Wayne Stewart

Games & Activities / Logic & Brain Teasers

Dragonball Xenoverse 2 Cheats, Tips, DLC, Wishes, Game Download Guide Unofficial

The Yuw

Games & Activities / Logic & Brain Teasers

Rectangular Maze - Book 1

R Ramakrishnan

Games & Activities / Logic & Brain Teasers

Cracking Codes and Cryptograms For Dummies

Denise Sutherland , Mark Koltko-Rivera

Games & Activities / Logic & Brain Teasers

Puzzles and Essays from 'The Exchange'

Tricky Reference Questions

Charles R Anderson

Games & Activities / Logic & Brain Teasers

IQ and Psychometric Tests

Assess Your Personality Aptitude and Intelligence

Philip Carter

Games & Activities / Logic & Brain Teasers

Sudoku Challenge

200 Fiendish Sudoku Puzzles with a Twist

Roland Hall

Games & Activities / Logic & Brain Teasers

More Original Sudoku

Nikoli

Games & Activities / Logic & Brain Teasers

Brain Training the Japanese Way

Over 200 Fun and Challenging Puzzles to Improve Concentration, Strengthen Memory, and Boost Brain Health

Gareth Moore

Games & Activities / Logic & Brain Teasers

Summer Kakuro

Pete Sinden

Games & Activities / Logic & Brain Teasers