Build your child’s reading confidence at home with books at the right levelHow do we measure time, and where does it come from? How do clocks work – and what happened before they were invented? Find out the fascinating answers inside. Ruby/Band 14 books give increasing opportunities for children to develop their skills of inference and deduction.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 on page 44 can be used to develop children's information retrieval skills further.Curriculum links – Mathematics – measurement; History –chronological understanding