AVERY GILBERT is a psychologist, smell scientist, and entrepreneur. His groundbreaking studies in odor perception have been published in scientific journals, and he has helped design commercial scents for everything from perfume to kitty litter. He lives in Montclair, New Jersey. Visit him at www.averygilbert.com.

Chapter 1

Odors in the Mind

It is very obvious that we have very many different kinds of smells, all the way from the odor... read more>>>

Master algebra from the comfort of home!

Want to “know it all” when it comes to algebra? Algebra Know-It-ALL gives you the expert, one-on-one instruction you need, whether you're new to algebra or you're looking to ramp up your skills. Providing easy-to-understand concepts and thoroughly explained exercises, math whiz Stan Gibilisco serves as your own private tutor-without the expense! His clear, friendly guidance hel... read more>>>

Leonard Mlodinow received his doctorate in physics from the University of California, Berkeley, was an Alexander von Humboldt fellow at the Max Planck Institute, and now teaches about randomness to future scientists at Caltech. Along the way he also wrote for the television series MacGyver and Star Trek: The Next Generation. His previous books include Euclid's Window: The Story of Geometry from Parallel Lines to Hyperspace, Feynman&... read more>>>