Leif Sören Gustav Olsson, born March 16, 1964 in Karlskoga parish, Örebro county, is a Swedish children's book author, illustrator and lecturer. Sören Olsson grew up in Karlskoga and is the son of the chairman Helge Olsson and the prescriber May-Britt, unmarried Jakobsson. He started the company Änglatroll in 1986 together with his cousin Anders Jacobsson. Olsson is the author of a large number of popular books and films for children and youth, most often in collaboration with Jacobsson, includ ...