Bite-Sized Science(1st Edition) Activities for Children in 15 Minutes or Less by John Howard Falk, Kristi S. Rosenberg Paperback, 128 Pages, Published 1999 by Chicago Review Press ISBN-13: 978-1-55652-348-9, ISBN: 1-55652-348-3
"Two friends, each champion marksmen, are on opposite sides in war. One turns sniper for the enemy. One remains their town's last line of defense. In a terrible battle for power, two best friends must pull the trigger. Only one will feel the bullet - but both will feel the pain."