In Superman's absence, two new heroes arrive on Earth from out of Kryptonian lore in this new hardcover collecting ACTION COMICS #875-879 and ACTION COMICS ANNUAL #12!
Following the startling events of 'New Krypton,' Earth finds itself without Superman! And this world without a Superman is a very dangerous place indeed. The only thing standing between the good (and the not-so-good) citizens of Earth and the shadow of doom are the all-new Nightwing and Flamebird. But who are these two heroes who have taken their names from legends of Krypton's past?