Carroll, Lewis, - The Mathematical Recreations of Lewis Carroll: Pillow Problems and a Tangle Tale (both books bound as one).

NY, Dover, (c1958). 4th ptg. VG PB. Written by the 19th century mathematician who gave us Alice in Wonderland, they contain an unusual combination of wit and. mathematical intricacy that will test your ingenuity. Pillow Problems is one of the rarest of Carroll's works containing 72 math posers ranging from those that can be solved by arithmetic, simple geometry differential calculus and transcendental probabilities. Both numerical answers and fully wrked out solutions are given. In a Tangled Tale Caroll embodies some of his most perplexing math puzzles in the ten knots or chapters of a delightful story. Originally printed as a monthly magazine serial where readers sent in solutions to the problems posed, an appendix uses these answers as the basis for illuminating and entertaining discussions of the many wrong ways the problems can be attacked, as well as the right ones. Wonderful condtion.

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