Probably the worst book of the quartet, but a must read for those who enjoyed the fantastic first three books. If it wasn't for the charming main character, Gerlof, I would even give it two stars. What a great idea to write 4 crime novels all set in the island of Öland in Sweden, one for each season in the year. Outstanding how the Island itself becomes a character more. It reminds me a lot about Peter Mayr's trilogy set in the island of Lewis in Scoltland, also a great read.