author : Jostein Gaarderfacebook : https://www.facebook.com/crimeHQJostein Gaarder is the author of Sophie’s World, an international bestseller that has been translated into more than 50 languages. There are over 30 million copies in print. He was born in Oslo, Norway, in 1952. He taught high-school philosophy for several years before publishing a collection of short stories in 1986 and, shortly thereafter, his first two novels, The Solitaire Mystery and Sophie’s World, and several others since then. He lives in Oslo with his family.