Battle of the Super Heroes!

In This Digital Book, An Amazing Adventure Featuring The Worlds Finest Heroes, Batman And Superman! Fighting Side By Side, These Super Heroes Have The Power To Defend Earth, While Also Building A Great Friendship. However, When The Shape-shifting Clayface Ignites A Feud Between Superman, Batman, And The Flash, Will Anything Stop...the Battle Of The Super Heroes? Find Out In This Action-packed Chapter Book For Young Readers.