Modern people’s ideas about what is scientific and what is pseudoscientific are very vague. More people believe in astrology nowadays than in the Middle Ages. What is behind the huge number of unusual, inexplicable or simply contradictory phenomena, from biblical miracles to bioenergetic healing methods? Confidently using data from psychology, physics, logical analysis, and history, Jonathan Smith guides the reader through the mysterious territories of the unknown, preventing him from getting lost among complex scientific concepts and helping to distinguish between incredible truth and plausible deception.