Rosemary F. (canadianeh) reviewed Descartes's Secret Notebook : A True Tale of Mathematics, Mysticism, and the Quest to Understand the Universe on + 242 more book reviews
American Library Assoc. says: "Aczel's new episode from mathematical history concerns an enigmatic manuscript by Rene Descartes. It survives in a partial copy made by Gottfried Leibniz. The author makes the discovery of the reason Leibniz neglected to copy the manuscript in its entirety a method for enticing readers into his well-paced narrative. Framed by Descartes' languid lifestyle--living on inherited wealth, he slept late, dressed fashionably, and wandered about Europe--the story centers on Descartes' penchant for secrecy. Living in an age of intolerance and the Thirty Years' War, he had ample inducement to be cautious about his philosophical speculations, but desiring intellectual socializing, he joined, Aczel indicates, the Brotherhood of the Rosy Cross. A secret society, the Rosicrucians furnish more a mystical mood than evidence in Aczel's mystery hunt, which pursues what was in that lost writing of Descartes. Laying clues, he describes the philosopher's interest in the geometry of cosmic space". This is all true, but the style is a bit dry.
