Book Review: "How not to die at Grand Canyon," a pocket guide

Written by Thomas M. Myers, M.D., “How Not to Die at Grand Canyon” is a waterproof pocket guide that will fit in your pocket or backpack so you can take it with you.Written by Thomas M. Myers, M.D., “How Not to Die at Grand Canyon” is a waterproof pocket guide that will fit in your pocket or backpack so you can take it with you.