Dive into Earth's Aquarium by winning this beautiful book

We have five copies of this stunning new book exploring 15 real water worlds to give away.

The front cover of Earth's Aquarium

We have fallen in love with the stunning new book Earth's Aquarium, so we're giving you the chance to win one of five copies!

Written by Alexander Kaufman and with gorgeous illustrations from Mariana Rodrigues, this fascinating book explores 15 real-life water worlds on our planet.

From the open ocean to deep sea vents, and from tropical coral reefs to mangroves and coastal estuaries, there is so much to discover on its pages.

You can find out all about these special places on our planet, as well as the amazing wildlife that makes each one unique, from the tiniest shrimp to the great blue whale.

If you fancy getting your hands on a copy, all you need to do is answer the question below and leave your details before the closing date of 11pm on Tuesday, 20 July. Good luck!

Dive into Earth's Aquarium by winning this beautiful book

Roughly what percentage of the Earth's surface is covered by water?

Terms and conditions

1. Participants must be at least 18 years old to enter.

2. To enter the competition, you must be a resident of England, Scotland, Wales or Northern Ireland.

3. The competition is not open to employees (or members of their immediate families) of BookTrust.

4. Only one entry per person.

5. Entries must be submitted by 11pm on Tuesday, 20 July 2021.

6. There will be five winners selected at random (from all eligible entries).

7. If a chosen winner does not respond to correspondence within one week, a new winner will be selected.

8. Our decision will be final, and no correspondence will be entered into.

9. The prize will not be transferable to another person.

10. No part of the prize is exchangeable for cash or any other prize.

11. The prize is run by BookTrust of G8 Battersea Studios, 80 Silverthorne Road, Battersea, London SW8 3HE. However, the prize will be sent out by a third party and by entering you acknowledge that your details will be passed on to them, solely for the purposes of administering this competition.

12. Prizes will be sent out to winners by post. However, BookTrust cannot be held responsible for any prizes lost, damaged or stolen after they have been sent.

13. Where a third party is supplying a prize, BookTrust accepts no responsibility for inaccuracy of any prize description, and the third party is responsible for prize fulfilment.

14. Due to the coronavirus situation, the prize will be sent out only when the prize provider is able to safely return to their office. There may be a delay before a chosen winner receives their prize.

15. By entering you are agreeing to the terms and conditions in our privacy statement.

16. BookTrust reserves the right to amend the competition end date at any time.

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