Quicksilver is the story of Daniel Waterhouse, fearless thinker and conflicted Puritan, pursuing knowledge in the company of the greatest minds of Baroque-era Europe, in a chaotic world where reason wars with the bloody ambitions of the mighty, and where catastrophe, natural or otherwise, can alter the political landscape overnight. It is a chronicle of the breathtaking exploits of "Half-Cocked Jack" Shaftoe -- London street urchin turned swashbuckling...

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.