ISBN : 9780194620307
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.
The most consistent of graded readers in language control, length and quality. Over 250 adapted and original books to choose from: classics, modern fiction, non-fiction and plays. Extended activities section is included at the back of every book.