A Starter level Oxford Bookworms Library graded reader. This version includes an audio book: listen to the story as you read.

Written for Learners of English by Phillip Burrows and Mark Foster.

When Tonya and her friends decide to sail around the world they want to see exciting things and visit exciting places. But one day, they meet an orca - a killer whale - one of the most dangerous animals in the sea. And life gets a little too exciting.