The Art of Calculating in Your Head. From two renowned mathematical geniuses comes an accessible guide to mentally calculating Maths at lightning speed and with amazing ease.[...]

An accessible guide to mathematical calculation reveals the secrets of rapid mental calculation, memorization, and other feats of the mind, with tips on how to add, subtract, multiply, divide, and work with fractions, squares, and cube roots. Original. 15,000 first printing.[...]

In Why People Believe Weird Things, science historian Michael Shermer explores the very human reasons we find otherworldly phenomena, conspiracy theories, and cults so appealing. The editor of Skeptic magazine and the director of the Skeptics Society, Shermer shows how the eternal search for meaning[...]

The renowned science historian reveals how humans have evolved from social primates into moral primates, exploring the implications of fuzzy logic, fate, free will, and ecology, among other issues affecting the way humans think about moral issues. Reprint. 30,000 first printing.[...]

From Galileo and Newton to Thomas Hobbes and Martin Luther King, Jr., thinkers throughout history have consciously employed scientific techniques to better understand the non-physical world. The Age of Reason and the Enlightenment led theorists to apply scientific reasoning to the non-scientific dis[...]

Synthesizing thirty years of research, psychologist and science historian, Michael Shermer upends the traditional thinking about how humans form beliefs about the world. Simply put, beliefs come first and explanations for beliefs follow. The brain, Shermer argues, is a belief engine. Using sensory d[...]