The Mathemagician's Guide to Lightning Calculation and Amazing Mental Math Tricks.

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.

Takes a look at those who say the Holocaust never happened and explores the motivations behind such claims. This work shows how we can be certain that the Holocaust happened and, for that matter, how we can confirm any historical event.

Combining hard science and marketing practice, this book draws on marketing case studies and scientific evidence to help marketers eliminate bias, emotion, and common cognitive errors in order to make better, evidence-based marketing decisions. It reveals how people actually behave in the marketplace and how you can use that to your advantage.

Virtually unknown today, Alfred Russel Wallace was the co-discoverer of natural selection with Darwin and an eminent scientist who stood out among his peers as a man of formidable mind and outsized personality. In this biography, Michael Shermer aims to rescue him from the history's sidelines.

Shermer argues that science is the best lens through which to view the world, but recognizes that it's often difficult to tell where valid science leaves off and borderland, or fuzzy science begins. He examines where real science, borderline science - and just plain nonsense collide.