Product Description: How can a cheetah accelerate from zero to forty miles per hour in three seconds? How do termites build cooling systems into their homes? What is that Alien-like set of jaws in a moray eel's mouth for? These questions and more are explored in Super Nature Encyclopedia, an interactive look at the "wow" factor of the natural world — spotlighting Great White Sharks, African Elephants, Emperor Moths, Howler Monkeys and more of the world's most fascinating and surprising animals in remarkable detail...read more

Product Description: This book contains all the information a boatowner needs to fully understand how sails work, and how to design, make, repair and modify them. The do-it-yourself sailmaker can save as much as three-quarters of the cost of small boat sails by making them or recutting old ones, using a little more than a tape measure, scissors and a simple sewing machine...read more

Discusses the advantages of catamarans and other multihull boats, and looks at their history, design, construction, and handling