Textbooks
Avalanche Essentials: A Step-by-Step System for Safety and Survival by: Bruce Tremper (Recommended For the Level One Course)
Staying Alive In Avalanche Terrain by Bruce Tremper
The Avalanche Handbook by David McClung & Peter Schaerer
Allen & Mike's Really Cool Backcountry Ski Book by Allen O'bannon & Mike Clelland
Reading Weather by Jim Woodmencey