A heartstopping adventure in the beloved and million-selling series!

Wolf Girl and the pack are on the hunt... underwater!

Finding Gwen's mum after all this time will not be easy, but sometimes you have to dive deep to get to the bottom of an ocean of mysteries. How will Gwen decide who is ally and who is an enemy? Is her mum looking for her too - or could she have forgotten all about Gwen? And just what is up with those penguins?

A perilous high-stakes adventure that will delight the millions of Wolf Girl fans, from mega-bestselling author Anh Do!