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Whale Shark Jack
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  • Published: 3 March 2026
  • ISBN: 9781761621437
  • Imprint: Penguin eBooks
  • Format: EBook
  • Pages: 208

Whale Shark Jack

Movie Tie-In

Formats & editions
Paperback
3 Mar 2026
EBook
3 Mar 2026
Audiobook
3 Mar 2026
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A novel based on the heartwarming and adventure-packed family movie, Whale Shark Jack now streaming on STAN. Read the captivating tale of friendship, marine conservation and family loss, while experience the thrill of the open ocean. For fans of Paper Planes, Blueback and Red Dog.

TRUE FRIENDSHIP DIVES DEEP

A novel based on the heartwarming and adventure-packed family movie, Whale Shark Jack now streaming on STAN.

Dive into the story of Whale Shark Jack and follow the journey of Sarah, a determined 12-year-old girl, and her scientist parents as they strive to protect the majestic whale sharks. After a tragedy at sea Sarah and her family move back to WA and Sarah struggles to fit in, but soon she befriends some of the local kids who help Sarah attempt to rescue her favourite whale shark – Jack – who is in danger.

This story is not just about the adventure; it's about growing up, the connections between family and friends, the importance of preserving our natural world, and the courage to stand up for what you believe in. With a cast of relatable, endearing characters, Whale Shark Jack is a must-read for anyone who loves the sea, cares about wildlife, and enjoys a heartfelt, inspiring narrative.

Themes include:
- Friendship
- Belonging
- Adventure/exploring the ocean
- Animal protection
- Environmental conservation
- Grief
  • Published: 3 March 2026
  • ISBN: 9781761621437
  • Imprint: Penguin eBooks
  • Format: EBook
  • Pages: 208
Categories:

About the author

Kathryn Lefroy

Kathryn is an award-winning novelist and screenwriter who can't quite decide between the page and the screen, so she does both. She's the author of several novels for young readers, including the popular Alex and the Alpacas series, The Secret of the Stone, and now Whale Shark Jack — a story that started as a screenplay, became a novel, and has swum its way onto the big screen as a feature film. When she's not writing books, she's developing and producing film and TV projects with creative partners scattered across the globe. She has a knack for finding stories that make audiences laugh, think, and believe in the extraordinary. And she's got plenty more of them waiting in the wings! She calls Fremantle home, where she spends a lot of time roaming the neighborhood with her beloved dog, Pilot Bean, while plotting adventures across oceans, continents, and everywhere in between.
portrait photo of Kathryn Lefroy

Praise for Whale Shark Jack

Whale Shark Jack by Kathryn Lefroy is a beautifully written children’s story that introduces young readers to the gentle giant of the ocean — the whale shark. Through a heartfelt and adventurous narrative, the book celebrates curiosity, courage, and the wonders of marine life, all while encouraging children to appreciate and care for the natural world. . . . It’s one of those stories that encourages kids to want to learn more after finishing it. The message about bravery and curiosity is gentle but meaningful, making it a wonderful book for parents and children to explore together. It’s a lovely addition to any child’s bookshelf, especially for kids who love animals or ocean adventures.

Northern Beaches Mums