This book is part of a book series called Why Do We Have? .

This book is aimed at children in primary school.

There are 24 pages in this book. This book was published 1996 by Pearson Education Limited .

Claire Llewellyn lives in Hertford and is an established non-fiction author for children. Anthony Lewis is known for many picture books which have sold in many countries.

This book has the following chapters: A busy river; Where a river starts; Faster and faster; The river slows; Journey's end; The salty sea; Under the sea; A stormy day; The world's seas; The water cycle.