Douglas Carlton Abrams is the nationally bestselling author of "The Lost Diary of""Don Juan, " which has been published in thirty languages. He writes fact-based fiction and did extensive research for his new novel, including swimming with and recording humpback whales, meeting present-day whalers, and cage diving with great white sharks. Previously an editor at the University at California Press and HarperCollins, he is the cofounder of Idea Architects, a book and media development agency.