Meet adventurous Ali, a nature-loving girl with a mystery to solve on an island that is much more than it seems. Because this small island holds a big secret. A magical secret in the shape of a Great Green Crocodile . . . Ali lives with her Dad on a beautiful island with a busy fishing village.

So busy in fact that, no matter how hard she tries, Ali can never persuade anyone to stop what they are doing and come exploring with her.

That is until the morning everyone wakes to find ALL the fish have disappeared.

Every. Last. One. Who – or what – could have taken them?The Great Green Island weaves mystery and adventure with the wonders of nature, reminding us all to stop and experience the world around us – and to do it together!

Inspiring and imaginative, this is a tale that will make you see magic. Shortlisted for two children's book awards, this is a stunning first picture book from Becky Colvin, winner of the Macmillan Prize for Illustration 2023.