Petter Lidbeck, born 1964, has written over forty books for children and young adults. He has also, under the nom de plume Hans Koppel written several literary and suspense novels for adults, including the international hit Never Coming Back.

His youth crime series about Signe Holm, the children’s own Sherlock Holmes, was named Children’s Crime of the Year 2020 in Sweden by the Crimetime Awards.