"On Stranger Tides" is a fantasy novel by Tim Powers, published in 1987. The story follows John Chandagnac, a man who becomes embroiled in the world of pirates and voodoo after his ship is taken over by the infamous Blackbeard. As he navigates this treacherous landscape, he seeks to rescue a woman named Bethany and confronts supernatural forces. The novel explores themes of adventure, magic, and the quest for identity. It is notable for its rich historical detail and imaginative storytelling, blending real-life figures like Blackbeard with fictional elements to create a captivating narrative.