When her school trip takes a perilous turn, Bernice must channel all of her knowledge to survive in this gripping drama from the queen of teen thrillers, Sophie McKenzie.

A dream school trip to a sea-life sanctuary turns into a nightmare for Bernice when she finds herself in a race against the tide.

When her friends' reckless behaviour plunges them all into the freezing waters of Shark Bay, Bernice has to confront her fears and summon all her knowledge of marine life to find a way to safety.

But in shark-infested waters, can she act quickly enough to save the day?

Particularly suitable for readers aged 11+ with a reading age of 7.