Associations
International Mountain Biking Association: worldwide organization promoting mountain biking opportunities that are environmentally sound and socially responsible. The group encourages low-impact riding, volunteer trailwork participation, and cooperation among different trail user groups. Phone: 888-442-4622.

National Off-Road Bicycle Association (NORBA): the official sanctioning body of more than 1,000 mountain bike races around the country, NORBA promotes mountain biking as a competitive sport and outdoor activity. Phone: 719-578-4581.

Schools
Dirt Camp: training camps at resorts around the country for riders of all abilities, from beginners to experienced riders honing their technical skills. Phone: 800-711-DIRT (3478) or 303-413-0095.

Nantahala Outdoor Center: offers a variety of training options for the mountain biker, from camps to individual instruction, with more than half a million acres of wilderness to explore nearby. Phone: 888-662-1662.

Books
Mountain Bike Like a Champion, by Ned Overend
Mountain Biking: The Ultimate Guide to the Ultimate Ride, by Bill Strickland
Off the Beaten Track series by Jim Parham

Magazines
Dirt Rag: youth-oriented magazine for "real people who ride real mountain bikes." Published seven times a year.
Mountain Bike: the most popular magazine covering the fat-wheeled world, including race news, gear reviews, and feature stories on destinations. Eleven issues a year.
Mountain Bike Action: a monthly for mountain biking enthusiasts.