This is a must-have for any fan of DC Universe's Justice League. The comic book features the first appearance of Jessica Cruz as Green Lantern and includes notable characters such as Superman, Wonder Woman, Batman, and Aquaman. The artwork is done by Geoff Johns, Doug Mahnke, and Ivan Reis. The Justice League 30 CGC 8.5 and 31 CGC 9.4 are both certified and first printings.