There's never been a better (or busier) time to be a Superman fan! With so many new characters and locations to keep track of, DC brings readers the definitive guide to the ever-expanding world of Superman. Here you will get profiles of characters like Nightwing and Flamebird, General Zod, Supergirl, Mon-El and more, plus maps of locations such as New Krypton's Kandor and Metropolis. Also included is a bittersweet story about the friendship of Supergirl and Flamebird, and a story revealing the dark legacy of Pete Ross' 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 issue serves as an excellent primer to this month's "Codename: Patriot" crossover in the Superman titles, so don't miss out!