Apocalyptia

Ed Sawyer, seventeen, is one of those ignored types at his school. A nerd hopelessly obsessed with all things cinematic, he lives for his next flick. He's matched by Linda Usher, a classmate who is also into movies, as well as computer coding and hacking.

On the last day of school before summer vacation, Ed is given a flash drive by a dying man. He sees a code on it, and Linda, for all her genius, can't decipher it, either. They are soon pursued by not only domestic terrorists—ex-members of...