When his best friend leaves town, Billy finds himself all alone as his world comes crashing down around him. Between swerving the bullies and looking after Mum, there seems to be no escape from his problems. However, when Mum gives him a second-hand book, everything changes. Billy finds himself drawn into an icy world of parallel universes where things aren't quite as they seem... AGES: 9 plus AUTHOR: Jennifer Lane is an author and freelance nature writer. She has written for a broad range of outlets including the Observer, British Vogue, The Week, Dazed, the BBC, The Wildlife Trusts and the RSPB, and she won a Northern Writers' Award for her children's fiction, which looks at destigmatising mental health issues for a younger audience.