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From an award-winning author, astronomer, and anthropologist, an exploration of the scientific and cultural significance of the mesmerizing cosmic display. Sinc

Famed puzzle expert explains math behind a multitude of mystifying tricks: card tricks, stage "mind reading," coin and match tricks, counting out games, geometr

A practicing Buddhist and Oriental linguist recounts supernatural events she witnessed in Tibet during the 1920s. Intelligent and witty, she describes the fanta

Learn about the amazing natural science of trees in this gorgeously illustrated nature and science ebook. From the highest branch and leaf down to the complex "