Publisher's Synopsis
Part of a series of information books for children in their first years at school. The series covers a wide range of subjects including science, maths, English and technology. There are ideas for activities throughout the books and suggestions which encourage discussion and exploration. A series of graded questions at the end of each book help the teacher or parent to gauge the level of understanding.;"Whales" explores the biology of the world's largest mammals - the Blue Whale is bigger than the Brontosaurus - and looks at the modern threats to their survival.