ebook,Yakov Perelman,Figures for Fun: Stories, Puzzles and Conundrums,Dover Publications,GENERAL,General Adult,MATHEMATICS / General,MATHEMATICS / Recreations & Games,Mathematical recreations,Mathematical recreations.,Mathematics,Non-Fiction,Popular Science,Popular mathematics,Recreations & Games,Science/Math,Science/Mathematics,brainteasers;math puzzles;mental gymnastics;ingenious puzzles;testing your brainpower;puzzling conundrums;mathematical stunts;mind games;math games;soviet mathematician;inventive puzzles;games & activities;board games and puzzles;mathematics;engaging;puzzles;recreational mathematics; russian mathematician ; number games,recreational mathematics; russian mathematician; number games; brainteasers; math puzzles; mental gymnastics; ingenious puzzles; testing your brainpower; puzzling conundrums; mathematical stunts; mind games; math games; soviet mathematician; inventive puzzles; games & activities; board games and puzzles; mathematics; engaging; puzzles,MATHEMATICS / General,MATHEMATICS / Recreations & Games,Recreations & Games,Science/Mathematics,Popular Science,Mathematics,Popular mathematics" />