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Alchemy has traditionally been viewed as 'the history of an error', an example of medieval gullibility and greed, in which alchemists tried to turn lead into go

An in-depth look into the foundations of mysticism and alchemy, this book describes both physical and spiritual aspects of the various theories and practices of

From the sands of Alexandria via the Renaissance palaces of the Medicis, to our own times, this spiritual adventure story traces the profound influence of Herme

A global view of science and technology as it developed over the centuries.

Pocket Essentials is a dynamic series of books that are concise, lively, and easy to read. Packed with facts as well as expert opinions, each book has all the k