The open door felt like an invitation, or a trap. Bastien wasn't sure which, but with no other choice, he stepped inside...and hoped he'd make it out again alive.

Bastien Bonlivre is a boy with a big imagination, determined to finish the story in his precious red notebook that his parents left behind when they died.

On the other side of Paris, bestselling author Olivier Odieux is a heartless villain with no imagination at all, struggling to complete his latest novel.

What links these two stories is a dangerous secret, a hidden crime and a race across Paris for the truth.... But can Bastien and his friends Alice, Sami and Theo stop Olivier from stealing the ending they deserve?

A classic adventure story about friendship, hope, bravery and the power of imagination from stunning new storyteller, Clare Povey