Terribly unhappy in his family's crowded New York City apartment, Sam Gribley runs away to the solitude-and danger-of the mountains, where he finds a side of himself he never knew. Author: Jean Craighead George Publisher: Penguin Young Readers Group Publication Date: 12 April 2004 Paperback: 192 pages ISBN-10: ‎ 0142401110 Reading age: ‎ 8 - 12 years Dimensions: 1 7.98 x 12.65 x 1.35 cm