Shows that by understanding the principles on which IQ tests are based, anyone can improve their IQ performance by a significant extent. The book contains a series of tests, an explanation of how to improve your mental performance and a selection of "after" tests to gauge your improvement.

The IQ Booster

Health, Fitness & Dieting

Brecher, Erwin

Psychology & Counseling

Ebury Press

Gathers puzzles involving geometry, physics, logic, chess, everyday life, and the fourth dimension

The Ultimate Book of Puzzles, Mathematical Diversions, and Brainteasers: A Definitive Collection of the Best Puzzles Ever Devised

Humor & Entertainment

Puzzles & Games

St Martins Pr

From the back cover: What could be more challenging than the matural wonders of the world? The one hundred puzzles in this collection are more than just puzzles-they're real-life amazements. Can you floeat a battleship in a bathtub? What would happen if you lit a match in a room full of methane gas? Is it possible to cool a hot kitchen by leaving the refrigerator door open? Why are birds' eggs generally narrower on one end than the other? Not only will solving these puzzles teach you about the way our world and universer work, but they're also truly satisfying brainteasers-an infuriating blend of the obvious and the elusive. This is an ingeious combination of scientific phenomena and phenomenal fun!

Surprising Science Puzzles

Reference

Words, Language & Grammar

Scholastic. Inc.

Become a master of the lateral logic puzzle. The clues to solving each puzzle can be found within it, but to figure them out you need to break free from conventional thinking and toss aside core assumptions. Ninety entertainingly illustrated puzzles, from murder mysteries to treasure hunts, will challenge your thinking skills. There are clues for each puzzle if you need them, and of course you can peek at the answer if you really get stumped. 96 pages, 25 b/w illus., 5 3/8 x 8 1/4.

Lateral Logic Puzzles

Sterling

Gathers scientific puzzles about heat, cannonballs, tops, space travel, water flow, submarines, sun tans, weight, displacement, and 3-D vision

Science & Math

Sterling Pub. Co., Inc.

"This neat, little book is truly delightful...puzzles cover the domain of science from astronomy to zoology....questions are generally short...and crisply written...The answers are the same way....And, the problems can be used for lively discussions....a great value..."--School Science and Mathematics. 96 pages, 69 b/w illus., 5 3/8 x 8 1/4.

Experiments, Instruments & Measurement

Raise your actual IQ score by mastering these tests. Expand your powers of lateral thinking. Solve problems quickly with this foolproof method. Increase your overall "test confidence." Using visuo-spatial and lateral thinking techniques, along with other mind-stretching methods of looking at test questions, this unique preparation can actually help you get high scores on IQ tests! Learn how to analyze each question and figure out a quick way to answer it. When you understand the principles, it's easy to pass with flying colors. Have hours of fun with these mind-bending puzzles, and feel a real sense of achievement when you see your next IQ score! 128 pages, 7 3/8 x 9 5/8.

IQ Booster: Improve Your Iq Performance Dramatically

Start with general puzzles that will loosen up your thought processes; then go on to Fallacies (logic that looks airtight but contains a tiny flaw) and Paradoxes. Next come Science Puzzles and sequence puzzles, and word and logic puzzles. 96 pages, 20 b/w illus., 5 3/8 x 8 1/4.

World Class Puzzles

Hocus Pocus: A Bridge Book With a Difference

Arts & Photography

Panacea Pr

See the best price to sell, buy, or rent books by Brecher, Erwin. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

Books by Brecher, Erwin

See the best price to sell, buy, or rent books by Brecher, Erwin. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

The IQ Booster

The IQ Booster

The Ultimate Book of Puzzles, Mathematical Diversions, and Brainteasers: A Definitive Collection of the Best Puzzles Ever Devised

Surprising Science Puzzles

Lateral Logic Puzzles

Surprising Science Puzzles

Surprising Science Puzzles

IQ Booster: Improve Your Iq Performance Dramatically

World Class Puzzles

Hocus Pocus: A Bridge Book With a Difference