Build your child’s reading confidence at home with books at the right level Over 4000 years ago, people started making things from bronze.Take a world tour and discover some of the brilliant Bronze-Age wonders they created. 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. Curriculum links: History Ideas for reading at the back of the book provide practical support and stimulating activities.