A mysterious letter from an old friend asks Hal and Uncle Nat to help investigate a spooky supernatural mystery. Legend has it the Kratzensteins, a family of rich and powerful railway tycoons, are cursed, but there is no such thing as a curse, is there . . .?

Hal and Nat take the night train to Berlin and go undercover. From a creaking old house at the foot of the Harz mountains, they take the Kratzenstein family's funeral train to the peak of the Brocken Mountain. Can Hal uncover the secrets of the Brocken railway and the family curse before disaster strikes?

M. G. Leonard is the bestselling writer of children’s books such as Beetle Boy, The Twitchers and The Ice Children. Her work had been translated into over forty languages and Beetle Boy is currently in development as a live-action series for TV.

Sam Sedgman is the author of The Clockwork Conspiracy, the first in his exciting Isaac Turner Investigates series. Alongside his writing, Sam has worked as an award-winning digital content producer for the National Theatre, as a playwright and freelance journalist, and once ran a company designing murder mystery treasure hunts for adventurous Londoners.

Number of pages: 288
Reading age guide: 8 to 12 years
Publication date: 16 September 2021
Publisher: Pan Macmillan
ISBN: 9781529013122
Format: Paperback