The third spellbinding story about Sapphy and Conor's adventures in the powerful and dangerous underwater world of Ingo.

A devastating flood has torn through the worlds of Air and Ingo, and now, deep in the ocean, a monster is stirring. Mer legend says that only those with dual blood - half Mer, half human - can overcome the Kraken.

Sapphy must return to the Deep, with the help of her friend the whale, and face this terrifying creature - and her brother Conor and Mer friend Faro will not let her go alone...

This is volume 3 in The Ingo Chronicles .

This book has been graded for interest at 10+ years.

There are 352 pages in this book. This book was published 2017 by HarperCollins Publishers .

Helen Dunmore was an award-winning novelist, poet and children's writer, who will be remembered for the wisdom, lyricism, compassion and immersive beauty of her writing. In her lifetime, she published eight collections of poetry, many novels for both adults and children, and two collections of short stories. She won the Orange Prize for Fiction with her novel A Spell of Winter, her novel The Siege was shortlisted for the Orange Prize and the Whitbread Prize for Fiction, and her final poetry collection Inside the Wave won the 2017 Costa Book of the Year.