Traditional IQ books are for those with a Mensa mentality. This compilation is for ordinary people who want to enhance essential brain functions, such as concentration, memory, and creativity. Uniquely, this book focuses on left-brain and right-brain puzzles, giving a complete mental workout. You"ll love the variety of puzzle types: Tile Twister, Progressive Matrix, L-Shaped, Odd One Out, In Sequence, Folding Cubes, Eye/Hand Coordination teasers, and memory puzzles. All puzzles are fully explained with examples and solutions provided at the outset. No trick questions or puzzles with more than one answer.