Federal Aviation Administration 
Glider Flying Handbook [EPUB ebook] 

This bookprepared by the Federal Aviation Administrationis a resource without equal for glider pilots. Covering components and systems, flight instruments, performance limitations, preflight and ground operations, launch and recovery procedures, flight maneuvers, traffic patterns, soaring weather, radio navigation, and much more, it lays out in authoritative detail the science, mechanics, and regulations that every pilot needs to know. Plus, it contains a glossary of essential terms and crystal-clear color illustrations. No one should learn to fly, or fly a glider, without this information close at hand.