Author: McLachlan, Jenny, Dominique, Chloe
Fantasy & magical realism (Children's / Teenage) 
Published 03/08/2023 by HarperCollins Publishers (Farshore) in the United Kingdom as part of the Dead Good Detectives series 
Paperback | 288 pages
An epic and exciting adventure for readers 8+ by the author of the bestselling Land of Roar series. Perfect for fans of BBC's Ghosts!
  Sid Jones has always known she is different,but after accidentally freeing a 300-year-oldpirate ghost (using a gel pen and a chocolate bar),Sid realises that she has actual MAGIC!
 Sid starts to use her magic to free more ghosts,who have all been trapped by the sinister innkeeper.
But then a mysterious sickness strikes the peopleof Fathom. Can Sid and best friend Zen solve themystery, save the town and free the ghosts?
A truly epic conclusion to this dynamite duology from the bestselling author of the Land of Roar series