Sullivan "Spook" Smiley, a vicious post-Revolutionary War pirate, amassed a treasure worth tens of millions of dollars through the early 19th Century, and then vanished. His treasure never surfaced, and neither did any clues to where it might be. Until now. Judson Davis woke one Sunday morning in his apartment on the east end of Portland, Maine with a mind-splitting hangover and a strange, smooth stone in his pocket. The mischievous thirtysomething...