100% of this book's proceeds will be donated to two military charities: the Special Operation Warrior Foundation and the Sua Sponte Foundation. The US Army Rangers are the world's premier light infantry fighting force. This book contains all of the materials of the official Ranger handbook carried by all Ranger school students. This is a large desk-top/bookshelf (8.5x11") sized copy. Unlike other versions of this book for sale (check their feedback), this book is properly formatted with text large enough to actually read!