Back in London, fifteen-year-old twins Sophie and Josh Newman must determine whom they can and cannot trust as they search for both Scatty and an immortal who can teach Josh the magic of fire, while Doctor Dee and Machiavelli continue to seek power.

While armies of the Shadowrealms gather and Machiavelli goes to Alcatraz to kill Perenelle Flamel, fifteen-year-old twins Sophie and Josh Newman accompany the Alchemist to England to seek Gilgamesh.

"The twins of prophecy have been split. Nicholas Flamel is near death. John Dee has the swords of power. And Danu Talis has yet to fall. The future of the human race lies in the balance--how will the legend end?"--Provided by publisher.

While working at pleasant but mundane summer jobs in San Francisco, fifteen-year-old twins, Sophie and Josh, suddenly find themselves caught up in the deadly, centuries-old struggle between rival alchemists, Nicholas Flamel and John Dee, over the possession of an ancient and powerful book holding the secret formulas for alchemy and everlasting life.

"Wily has never seen the sun or a blue sky or even his parents. He lives underground, creating traps to keep treasure-seekers away from the gold in an ancient wizard's dungeon. He spends his days mopping up giant slug slime, avoiding poison darts, and herding undead skeletons. It's all he knows. But then an unusual band of adventurers--an acrobatic elf, a warrior with a magic arm, and a giant made of moss--successfully defeat Wily's traps. And they...