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    13 May 2025

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Learn > Education > All Education Resources > Dewi in the Deep by Lucie Treacher and Joaquin Badia

Book

Global

Dewi in the Deep by Lucie Treacher and Joaquin Badia

02 June 2026

Open the imaginations and inspire curiosity of young readers with these ocean stories.

5-7

Animals and Species

Biodiversity

Conservation

Habitats

Human Impact

Explore

Meet Dewi, an eight-year-old girl like no other… When a school trip takes an unexpected turn, she and her pet tortoise, Tortellini, find themselves on an unforgettable journey beneath the waves.

As they travel through the ocean, Dewi encounters an amazing cast of marine creatures and discovers the challenges our seas face from human activity. Along the way, she learns how we can all play a part in protecting the ocean.

Join Dewi and her friends on this magical, musical adventure and explore the wonders of the underwater world.

Two free offers for schools:

  1. A complimentary hard copy of the book
  2. A free school book reading from the Blue Marine team or author.

To request either, join our Education Network and email victoria@bluemarinefoundation.com

Download Book Here

Audio

Part One

Ordinary

Snow

Part Two

The Zoo

The Trawler

Part Four

Little Blue

The Clams

Part Five

Dewi Reflects

Part Six

The Polar Bear

Part Seven

Blue World

Piecing the story together

Part Eight

Going Forward

Credits

More to come…

More to come…

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An Ocean Adventure - a Makerzine

A creative, printable resource for ages 8–12 with stories and activities exploring marine habitats, species and conservation.

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Sharks, rays and chimaeras of Chile

An illustrated guide to build teacher subject knowledge or independent student research into Chile’s marine species.

30 October 2025

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A beautifully illustrated book that brings global oceans and marine wildlife into your classroom

06 November 2021

The World's Wildest Waters

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About

  • About Blue Marine
  • Our impact
  • Partners
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  • Contact us

Our Work

All projects
All projects

Topics

  • Overfishing
  • Marine Protection
  • Sustainable Fisheries
  • Restoration
  • Marine Life
  • Blue Climate
  • Blue Economics
  • Blue Investigations
  • Blue Legal
  • Blue Science
  • Blue Policy
  • Blue Education
  • Blue Media

Places

  • British Isles
  • UK Overseas Territories
  • Mediterranean
  • Indian Ocean
  • Atlantic Ocean
  • Caribbean
  • Pacific Ocean

Resources

  • Reports
  • News
  • Media Hub
  • Education Hub

Get Involved

  • Donate
  • Campaigns
  • Fundraise for us
  • Partner with us
  • Blue Marine Yacht Club
  • Volunteer for us

Blue marine websites

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  • Solent Seascape Project
  • Convex Seascape Survey
  • Masmahaaveshi
  • Maldives Resilient Reefs

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