Fit by Nature: The Adventx Twelve Week Outdoor Fitness Program

When most people think of getting in shape, they think of gym memberships treadmills, Stairmaster machines, rooms crammed full with equipment and sweaty people. Wouldn't it be nice to have a workout that was a breath of fresh air instead?

That's exactly what John Colver, the award-winning founder of Seattle-based training company AdventX, has been teaching for nearly a decade. In Fit by Nature, he lays out his flagship 12-week outdoor training program

a regimen that requires nothing more than outdoor space and a little inspiration.

Starting with seasonal advice, the "Daily Dozen," his "Challenge by Choice" philosophy, and details on how to utilize the outdoors, John leads you into his exercise and lifestyle program. He also covers fitness basics such as nutrition, injury prevention, goal-setting, and gear lists.