The Deep by Helen Dunmore
| ISBN: | 9780008765668 |
| Publication date: | 29th January 2026 |
| Author: | Helen Dunmore |
| Publisher: | HarperCollins Children's Books an imprint of HarperCollins Publishers |
| Format: | Paperback |
| Pagination: | 336 pages |
| Series: | The Ingo Chronicles |
| Genres: |
Adventure Stories Children’s / Teenage general interest: Mermaids / mermen / merfolk Children’s / Teenage fiction: Mythic fantasy / Mythic fiction Children’s / Teenage fiction: Dark fantasy |