Gary Paulsen is no stranger to adventure. He has flown off the back of a dogsled and down a frozen waterfall to near disaster and waited for a giant bear to seal his fate with one slap of a claw. He has led a team of sled dogs toward the Alaskan Mountain Range in an Iditarod—the grueling, 1,180-mile dogsled race—hallucinating from lack of sleep but determined to finish.