||t's never too late for the adventure of a lifetime. He's got a dog named Beau and a best friend, Jessie. He likes to take photos and write haiku poems in his notebook. He dreams of climbing a mountain one day. But in one important way, Mark is not like other kids at all. Mark is sick. The kind of sick that means hospitals. And treatments. The kind of sick some people never get better from. So Mark runs away. He leaves home with his camera, his notebook, his dog, and a plan. A plan to reach the top of Mount Rainier. Even if it's the last thing he ever does. The Honest Truth is a rare and extraordinary novel about big questions, small moments, and one incredible journey.