Lotte Hammer

Lotte and Søren Hammer are a sister and brother from Denmark. Younger sister Lotte worked as a nurse after finishing her training in 1977 and her brother Søren was a trained teacher and a lecturer at the Copenhagen University College of Engineering. After Søren moved into the house where Lotte lived with her family in 2004 they began writing crime novels together. To date, they have written four books in this series. The Hanging is the first.