THE SEARCH FOR CANNONBALL BEGINS, as the U.S. Avengers head into outer space to find their missing member! Where is Sam Guthrie? Oddly enough, he finds himself trapped on the strangest planet of all...Glenbrook, U.S.A.! Home - and fiefdom - of Ritchie Redwood, America's best loved teenager! But if teen-age life is so idyllic... why do the teens keep disappearing?