The Blueberry Detectives: Island Forest in danger! (vol. I)

Children & Young Adult, Children's Books, Children's Books Age 8+, Children's Books Friends / Family, Children's Books Adventure / Crime

The beginning of a wonderful new detective series for children


A village somewhere in the middle of Finland, located at a lake with a small harbor and an impressive number of islands. One of these islands is home to the secret headquarters of the Blueberry Detectives. The Blueberry Detectives are the wild twin sisters Alma and Selma, their little brother Samu, Oskari from next door, and the dog Riku. In their first case, the Blueberry Detectives end up on the trail of a sneaky sawmill owner. For years, he’s been eying the ancient, protected oaks on Blueberry Island. In order to win the mayor’s permission to cut down the trees, the mill owner resorts to a dirty trick: bark beetles. Wherever this bug is found, the trees must be cut down to prevent infestation. Thank goodness the Blueberry Detectives are on the case…


  • The first volume in a new detective series for kids
  • For all fans of the Karlsson, Bullerby, and Famous Five series
  • Pertti Kivinen is a pseudonym for an internationally renowned husband and wife team
Pertti Kivinen

Pertti Kivinen is the pseudonym of Friedbert Stohner. He was born in 1951 and lives close to the river Rhine. After many years in the publishing industry, he now devotes himself to writing.

Anu Stohner

Anu Stohner, born in 1952 in Helsinki, is a translator and writer who lives in Munich. She has won several awards for her trans­lations from Finnish, Swedish and English. She is internationally known for her books about ›Little Santa Claus‹ in collaboration with Henrike Wilson.  

Katrin Engelking

Katrin Engelking, born in Bueckeburg in 1970, studied illustration at the Institute for Design in Hamburg. Since 1994 she has worked as a freelance artist. She lives in Hamburg with her family.

The Blueberry Detectives: Island Forest in danger! (vol. I)

The beginning of a wonderful new detective series for children


A village somewhere in the middle of Finland, located at a lake with a small harbor and an impressive number of islands. One of these islands is home to the secret headquarters of the Blueberry Detectives. The Blueberry Detectives are the wild twin sisters Alma and Selma, their little brother Samu, Oskari from next door, and the dog Riku. In their first case, the Blueberry Detectives end up on the trail of a sneaky sawmill owner. For years, he’s been eying the ancient, protected oaks on Blueberry Island. In order to win the mayor’s permission to cut down the trees, the mill owner resorts to a dirty trick: bark beetles. Wherever this bug is found, the trees must be cut down to prevent infestation. Thank goodness the Blueberry Detectives are on the case…


  • The first volume in a new detective series for kids
  • For all fans of the Karlsson, Bullerby, and Famous Five series
  • Pertti Kivinen is a pseudonym for an internationally renowned husband and wife team
Bibliographic Data
160 pages, ISBN: 978-3-423-64048-0
First published 2019