Gotham's most dangerous defender stars in her first SECRET FILES special! An encounter with an unexpected criminal leads Cassandra to revisit her origins (written by original BATGIRL cowriter Scott Peterson, with art by Phil Noto and Robert Campanella). Plus, Cassandra learns how she would have fared in combat against Barbara Gordon during the current Oracle's time as Batgirl (written by Peterson with art by Giuseppe Camuncoli and Cameron Stewart). And the DEO investigates the aftermath of Batgirl's battle with Lady Shiva (written by Dan Curtis Johnson and J.H. Williams III with art by Greg Scott and Mick Gray). Rounding out the issue are profiles of some of Batgirl's newest enemies and allies, with a special portrait of young Barbara Gordon as Batgirl, courtesy of the upcoming BATGIRL: YEAR ONE art team of Marcos Martin and Alvaro Lopez!

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Learn the secrets behind the greatest heroes and villains of the DC Universe with these special issues that delve into all aspects of their lives--from enemies and allies to caves and fortresses and everything in between! These issues also tie in to some of the DC Universe's biggest events, including the return of the JSA and INFINITE CRISIS!

One of the Winged Warrior's deadliest foes returns in a one-shot devoted to the newest incarnation of Hawkman! A foe nearly as ancient as Hawkman makes his presence known (in a story written by Geoff Johns with art by Patrick Gleason & Christian Alamy). Plus, the DEO investigates the mysterious Nth metal (written by Dan Curtis Johnson & J.H. Williams III with art by Greg Scott & Mick Gray). Rounding out the issue are profile pages focusing on the Hawks, their villains and the supporting cast of the hit new series, by an array of artists including HAWKMAN's Rags Morales & Michael Bair, Walter Simonson, and more!