Here's the tastiest new idea to come along for kids' lunch boxes since the juice pack. Introducing Lunch Box Library , an ingenious way to enjoy reading that combines the old-fashioned pleasures of a cliffhanger with an innovative and irresistible design. Printed on a tear-off pad, each volume contains stories in serial form. Andrew Gutelle's 9 Puzzle Mysteries takes a different tack as kids help solve nine 10-part mysteries by cracking a different puzzle every day, including scrambles, cryptograms, math problems, and geography mazes.