The definitive guide to the ever-expanding world of Superman! Here you'll get profiles of characters like Nightwing & Flamebird, General Zod, Supergirl, Mon-El and more, plus maps of places such as New Krypton's Kandor and Metropolis. Also included is a bittersweet story about the friendship of Supergirl and Flamebird, and a story that reveals the dark legacy of Pete Ross's brief time as President of the United States. Plus, a week in the life of Science Cops Billi Harper and Jonathan (Mon-El) Kent. This Secret Files serves as an excellent primer to the 'Codename: Patriot' crossover!

Superboy is back — and can’t wait to jump back into his life in these tales from ADVENTURE COMICS #0-3 and 5-6, plus a tale from SUPERMAN SECRET FILES 2009. But which life will it be? Conner makes a beeline for the greatest place on Earth: Smallville.