In the dusty corners of the school's basement, the kind cleaning lady, Lis Petersen, is found lifeless.

Our friends Anders and Kalle are on the case to unearth the truth. Did Lis discover a secret so big that someone needed to silence her? But who would want to kill Lis?

Get ready for a real-life whodunit that's got everyone at school talking!

Journal X

In the ashes of Detective Madsen’s burnt house, Anders finds an old metal box. It is filled with old police records. These are unsolved cases that Madsen had been investigating. Now he is dead, so it’s up to Anders and his best friend, Kalle, to solve the many mysterious cases.

Journal X is an easy-to-read crime series that is not for the faint of heart. Kalle and Anders come across a bit of everything — there are murderers, arsonists and other criminals who must be held accountable for their crimes.

Peter Grønlund (1970) is the author of several critically acclaimed books on true crime and subcultures such as hooliganism and graffiti. He is also the author of the children's suspense series Journal X.