A hardcover collection of the first Superman-Batman team-ups, featuring a new cover by Dick Sprang! Reprinting Superman (1st series) #76, as well as the team-ups from the pages of World's Finest Comics #71-85, these stories include the first time Superman and Batman revealed their secret idenities to each other (in a classic adventure on a cruise ship), the first time the two heroes traded identities, and the memorable tale in which Superman loses his powers and Batman gained them!
