The brand new must-read middle-grade novel from the author of super-spooky Crater Lake. Perfect for 9+ fans of R.L.Stine's Goosebumps and Stranger Things! It's summer term and time for a school trip with a difference! Year 8 are on a boat off the coast of France, learning about ocean life. But things are about to get WEIRD . . . Who is the creepy man on board the ship? And what IS the vast, shadowy creature seen lurking at the bottom of the ocean? When the ship is sunk Club Loser realise that they are the only ones who can save the day, and their classmates.

Can they outwit and defeat a giant, deadly sea monster from the depths? It's a fight for survival and if they fail, Club Loser will find themselves in a watery grave . . .