Bizarre imagination, originality, trickiness, and whimsy characterize puzzles of Sam Loyd, America's greatest puzzler. Present selection from fabulously rare Cyclopedia includes the famous 14?15 puzzl
The challenge of the tangram, the original "Chinese puzzle," lies in your ability to arrange seven geometrical pieces — a square, a rhomboid, and five triangles — into a variety of
The challenge of the tangram lies in the proper arrangement of seven geometrical pieces into a variety of different shapes. This classic by a famed puzzle expert features 700 tangrams and solutions, p
Gardner's second collection of amusing, thought-provoking problems and puzzles from Loyd's Cyclopedia — perhaps the most exciting collection of puzzles ever assembled in one volume. Arithmetic, algebr
