Ebook: Brain Strain: A Mental Muscle Workout That's Fun! 73 Puzzles from Odyssey

Take a rollercoaster ride through an unpredictable universe of brain teasers! Originally published in ODYSSEY science magazine, these 73 puzzles meld art, science, mathematics, computers, and much, much more in an attempt to expand your mind. Each teaser is illustrated and requires no specialized knowledge to solve, just the willingness to break a mental sweat and stretch your abilities!