M.C. Escher. The Graphic Work __medpuzz the wily little Squirrel digs

the wily little Squirrel digs through the dirt to recover a long-hidden acorn

this walnut masterpiece can't be opened "if you don't enjoy humor

Cast DOT is a delightful introduction to the wonderful world of mechanical puzzles

52 exercises designed to train our brains to find their bearings and generate their very best efforts

Multiply any two numbers from one to twelve

M.C. Escher. The Graphic Work __medpuzz the wily little Squirrel digsFrom impossible staircases to tesselated birds, explore the graphic genius of M. C. Escher, master of quirky vantage points, mathematical puzzles, and the transition from paper flatness to illusory volume. This essential introduction presents key Escher works, exploring the evolution of a unique pictorial style that has captivated scientists and hippies alike.