Volume 6, The Secret History of Superman and BatmanBook - 2015
"The secret history of Earth 2 continues! Jump back in time to a point when Superman and Batman were children! When a visitor from Apokolips attempts to confront the boys as part of a galactic prophesy, only one being can stand in their way: Wonder Woman! Collects "-- Provided by publisher.
Publisher: Burbank, CA : DC Comics, 
Branch Call Number: GN LEVITZ 2015
Characteristics: 1 volume (unpaged) : illustrations (chiefly color) ; 26 cm
Alternative Title: Secret history of Superman and Batman