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fileGood Old Fashioned Challenging Puzzles and Perplexing Mathematical Problems - Puzzle Books. Henry Dudeney (2007).pdf2022-02-22 06:244060 KB
fileHexaflexagons and Other Mathematical Diversions - The first Scientific American book of puzzles & games - Martin Gardner, University of Chicago Press, (1988).djvu2022-02-22 06:243542 KB
fileIngenious Mathematical Problems and Methods - Dover. Graham L.A. (1959).djvu2022-02-22 06:241934 KB
fileMathematical Circus - The Mathematical Association Of America. Gardner M. (1992).pdf2022-02-22 06:245134 KB
fileNew Mathematical Diversions_ More Puzzles, Problems, Games, and Other Mathematical Diversions - Mathematical Assn of America. (Spectrum Series) Martin Gardner (1995).djvu2022-02-22 06:243492 KB
fileThe Surprise Attack in Mathematical Problems - L. A. Graham (1968).djvu2022-02-22 06:241693 KB