The bestselling book for every boy from eight to eighty, covering essential boyhood skills such as building tree houses*, learning how to fish, finding true north, and even answering the age old question of what the big deal with girls is.In this digital age there is still a place for knots, skimming stones and stories of incredible courage. This book recaptures Sunday afternoons, stimulates curiosity, and makes for great father-son activities. The brothers Conn and Hal have put together a wonderful collection of all things that make being young or young at heart fun—building go-carts and electromagnets, identifying insects and spiders, and flying the world's best paper airplanes.The completely revised American Edition includes: The Greatest Paper Airplane in the WorldThe Seven Wonders of the Ancient WorldThe Five Knots Every Boy Should KnowStickballSlingshotsFossilsBuilding a Treehouse*Making a Bow and ArrowFishing (revised with US Fish)Timers and TripwiresBaseball's "Most Valuable Players"Famous Battles-Including Lexington and Concord, The Alamo, and Gettysburg Spies-Codes and CiphersMaking a Go-CartNavajo Code Talkers' DictionaryGirlsCloud FormationsThe States of the U.S. Mountains of the U.S.NavigationThe Declaration of Independence Skimming StonesMaking a PeriscopeThe Ten CommandmentsCommon US TreesTimeline of American History* For more information on building treehouses, visit www.treehouse-books.com and www.stilesdesigns.com or see "Treehouses You Can Actually Build" by David Stiles Read Less