Daniel Klein is the coauthor (with Thomas Cathcart) of the international bestseller Plato and a Platypus Walk into a Bar and Heidegger and a Hippo Walk Through Those Pearly Gates. The author or coauthor of thirty other books, including The Half-Jewish Book, the Elvis Presley mystery series (Kill Me Tender, Blue Suede Clues), and the award-winning novel The History of Now, Klein holds a degree in philosophy from Harvard University and lives in Western Massachusetts with his wife, Freke Vuijst.