The Alchemyst

The Alchemyst is the first book in The Secrets of the Immortal Nicholas Flamel series. The title refers to the titular character of the book, Nicholas Flamel.

Plot
Twins Josh Newman and Sophie Newman work across the street from one another, and one day, John Dee and three Golem warriors enters The Small Book Shop where Josh works under supervision of Nick Fleming. Quickly, Dee attacka Fleming, and Sophie runs in with Perry Fleming. After a battle, Perenelle and most of the mystical Codex is taken by Dee. Fleming explains that he is Nicholas Flamel, an immortal from 1330, who has been protecting the Codex from Dee and his Dark Elder masters, who wish the Elder race to take over the world again. Meanwhile, Dee realizes what Josh had done, and tells a Dark Elder to bring in the Morrigan.