In this fourth explorers adventure we meet Ursula, a partmermaid girl who is determined to follow in Stella’s footsteps and help her todefeat the Collector!

Ursula knew the submarine wasn’t designed to go this deep, but what choicedid they have? No one wanted to get swallowed up by a colossal sneezingjellyfish!

In a distant watery corner of the Explorers Kingdom, a submarine engineer,Ursula, is determined to become an explorer. Unfortunately, she hides anextraordinary secret, which makes her the sworn enemy of the Ocean SquidExplorers’ Club were they ever to find out . . . But when The Collectorthreatens the Club, Ursula throws caution to the wind and leads an expeditionthrough treacherous waters, filled with gremlins, aboard the Blowfish submarine- and joined by her friends Max, Genie and Jai – and even her idol Stella!

Thrilling, heart-pounding adventure with exquisite detail throughout. AlexBell’s world-building is second to none.

Praise for the series:

‘A magical adventure of friendship, bravery and derring-do in a richlyimagined world.’The Bookseller

‘A fantastic frosty adventure.’Sunday Express

‘Wintry, atmospheric, highly imaginative fantasy.’Metro

‘The most huggable book of the year . . . An (iced) gem.’SFX

About the Author

Alex Bell has published novels and short stories for bothadults and young adults includingFrozen Charlotte, a Zoella BookClub pick.The Polar Bear Explorers’ Clubwas her first forayinto middle grade. She always wanted to be a writer but had several back-upplans. After training as a lawyer, she now works at the Citizens Advice Bureau.Most of her spare time consists of catering to the whims of her Siamese cat.

Tomislav Tomic graduated from the Academy of fine arts in Zagreb. He started topublish his illustrations during his college days. He has illustrated a greatnumber of children’s books. He lives and works in Zapresic, Croatia.