Say hello to Mr. Nosey. He loves to know what's going on! More than a Sale, the World's Biggest Book Sale is a global reading advocacy effort. The Big Bad Wolf Book Sale offers books at amazing discounts — as high as 95%! — with the mission to cultivate reading habits around the world and to build a new generation of readers by making books more affordable and accessible to everyone. Our low prices encourage customers to take a chance on new authors and genres they might never have tried before.