52 is the title of a comic book limited series published by DC Comics, which debuted on May 10, 2006, one week after the conclusion of the seven-issue Infinite Crisis. The series is written by Geoff Johns, Grant Morrison, Greg Rucka, and Mark Waid with layouts by Keith Giffen.
52 consists of 52 issues, published weekly for one year, chronicling events that took place during the missing year after the end of Infinite Crisis. The series covers much of the DC Universe, and several characters, whose disparate stories interconnect. The story is directly followed by the limited series Countdown.