Boost your brain power and detox from the digital deluge with over 100 math and logic puzzles with the greatest riddle solver of all time, Sherlock Holmes. The

Part of the brain-boosting Sherlock Holmes Puzzle series, Lateral Brain Teasers presents 100+ challenging logic puzzles.

​Solve over 144 puzzles, navigate around maps of London and the English countryside, search for hidden clues, and—most importantly—exercise your sharp int

Solve it like Sherlock: Generations of readers have made Sherlock Holmes the world's most famous fictional detective. Now, you have a chance to test your mettle

Part of the brain-boosting Sherlock Puzzle Holmes series, Visual Puzzles presents 100+ challenging picture puzzles.