From School Library Journal

Grade 6–9—Flamel and company return in this fast-paced follow-up to The Alchemyst (Delacorte, 2007). The immortal human Nicholas Flamel; Scathach, the veggie vampire warrior; and the mortal twins of legend, Josh and Sophie, are still on the run from the malicious Dr. John Dee. Flamel retains two of the pages of the legendary Book of Abraham, and Dee will do anything to get them. After hopping a ley line to Paris, our heroes barely escape the machinations of Dee's partner in crime, Niccolò Machiavelli. While finding shelter with fellow immortals (Joan of Arc turns out to be a particularly helpful ally), Josh attempts to deal with the fact that his twin sister is now incredibly powerful. Having had her powers "awakened," Sophie's new abilities make him surprisingly jealous—a fact that Dee may find useful. Scott tapers down the sheer breadth of gods, goddesses, legends, and myths already introduced in his first novel, which is a bit of a relief. Even though the plot moves forward at breakneck speed, the author is careful not to lose sight of his characters' struggles or inner demons. Fans of the previous novel will certainly find much to love, root for, and fear in this successful second installment.—_Elizabeth Bird, New York Public Library_
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From

The Alchemyst (2007), the first book in The Secrets of the Immortal Nicholas Flamel series,  introduced a wide-ranging group of historical figures who have achieved immortality and are engaged in a present-day struggle for the fate of the world. This second entry picks up exactly where the first left off. Allied with the legendary Nicholas Flamel  on the “good” side are teenage twins Sophie and Josh, who are supremely gifted but with powers that are untrained. Countering them is a new archvillain, Niccolò Machiavelli, who, along with other figures from history and legend (Joan of Arc, a trio of Valkyries), swells the already impressive cast. Plundering every imaginable culture of their heroes and heroines is a clever feat, sure to draw all manner of historically and mythologically minded readers. One weakness starts to show through, however. In a six-book series such as this, each installment begins to feel like a lengthy, glorified chapter rather than its own book complete with a satisfying story arc and resolution. That said, this keeps the pace as an exciting and impeccably thought-out fantasy, well suited for those left in the lurch by Harry Potter’s recent exeunt. Grades 7-10. --Ian Chipman