Build your child's reading confidence at home with books at the right level Orcas are creatures of the ocean that stay in their family group their entire lives. Discover their life cycle in this book, from birth to death and everything in-between - swimming, playing, hunting and surviving. Sapphire/Band 16 books offer longer reads to develop children's sustained engagement with texts and are more complex syntactically. Text type - An information book. The book is organised into short chapters to help children practise the skills of locating and identifying important information. The glossary and index can be used to develop children's information retrieval skills further. Curriculum links - Science