Challenging, provocative exercises in mental acuity test mathematical prowess, abstract reasoning, and even moral sensitivity and human concepts of beauty. Includes such mind-bogglers as "The Omega Prism," "Rubik's Tesseract," "Cosmic Rosetta Stone," "Alien Ants in Hyperspace," "Human Brains in a Jar," and "The Elk Hunter's Abduction." Detailed solutions at the end.
Brain Busters! Mind-Stretching Puzzles in Math and Logic by Barry R. Clarke Fifty-one original puzzles include complex crosswords, a collection of amusing stories with a series of clues that lead to a single solution at the end, and an advanced series of math and logic puzzles.
Sci-Fi Stained Glass Coloring Book by Jeremy Elder Sixteen out-of-this-world images explore the outer limits of the universe. Soaring astronauts, futuristic spacecraft, aliens, extraterrestrials, and others. Just add color and display near a source of light for a stained glass glow!
