One year on from the mysterious case of the missing jewels and it's another summer of sleuthing for Kalle Blomqvist, and this time, there's a murderer on the loose.

A gripping middle-grade mystery from internationally best-selling author Astrid Lindgren

It's one year on since Master Detective Kalle Blomkvist solved the case of the great jewel robbery, and once again his sleepy little town is shaken by a dreadful crime. Mysterious circumstances surround the discovery of a dead body, and super sleuth Kalle must use all of his cunning to solve his first ever murder case.