A Mathematical Nature Walk Free eBooks download. Princeton University Press | 2009-04-20 | ISBN: 0691128952 | Pages: 280 | DJVU | 8 MB How tall is that tree? How far away is that cloud, and how heavy is it? Why are the droplets on that spider web spaced apart so evenly? If you have ever asked questions like these while outdoors, and wondered how you might figure out the answers, this is a book for you. An entertaining and informative collection of fascinating puzzles from the natural world around us, A Mathematical Nature Walk will delight anyone who loves nature or math or both. Download: