The Fourth Dimension: Toward a Geometry of Higher Reality (Paperback)

This is the definitive popular exploration of what the fourth dimension means, both physically and spiritually. Mathematician and science-fiction novelist Rudy Rucker takes readers on a guided tour of a higher reality that explores what the fourth dimension is and what it's meant to generations of thinkers. The exciting and challenging journey is enhanced by more than 200 illustrations and a host of puzzles and problems (with answers).
"This is an invigorating book, a short but spirited slalom for the mind." -- Timothy Ferris, "The New York Times Book Review"
"Highly readable. One is reminded of the breadth and depth of Hofstadter's" G""o""del, Escher, Bach."" --" Science
""Anyone with even a minimal interest in mathematics and fantasy will find "The Fourth Dimension" informative and mind-dazzling... Rucker] plunges into spaces above three with a zest and energy that is breathtaking." -- Martin Gardner
"Those who think the fourth dimension is nothing but time should be encouraged to read"The Fourth Dimension, " along with anyone else who feels like opening the hinges of his mind and letting in a bit of fresh air." -- John Sladek, "Washington Post Book World
""A mine of mathematical insights and a thoroughly satisfying read." -- Paul Davies, "Nature Magazine"