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.