Speculation has already begun that the subtitle "On Stranger Tides" refers to author Tim Powers' novel with the same name. The following is the official description of the book:
Puppeteer John Chandagnac, who was sailing to Jamaica to get revenge on the uncle who had stolen his father's inheritance, has no choice but to join the buccaneers who have taken him prisoner--and soon, known now as the pirate Jack Shandy, he finds himself learning to survive in a treacherous new world of cutlass-fights, sea-battles, and voodoo magic on sun-blinded tropical islands....
