Volume #1 collects issues #1-13. Volume #2 collects issues #14-26. Volume #3 collects issues #27-36 and Superman/Batman Annual #1. Volume #4 collects issues #37-49 and Superman/Batman Annual #2. Volume #5 collects issues #50-63 and Superman/Batman Annual #3. Volume #6 collects issues #64-75 and Superman/Batman Annual #4. The series features a variety of characters from the DC Universe, including Superman, Batman, Supergirl, Green Lantern, Wonder Woman, Joker, Lex Luthor, and many more. The graphic novels are in English and were published in the US. The cover artists include Jeph Loab, Ed McGuinness, and Dave Stewart, and the series was written by a number of artists and writers. The collection is intended for a general audience and is a must-have for fans of Superman, Batman, and the DC Universe. Books are in very good, like new condition with normal wear from being read. No torn, creased, or missing pages. No writing or markings of any kind.