On the move 4 Pushing and pulling 6 Stopping 8 Dropping 10 Getting faster 12 Slowing down 14 Useful friction 16 Pressure 18 Machines 20 Glossary 22 Index 23 Next steps 24
Anna Claybourne is a writer and editor who has worked on many childrens books, on a wide range of subjects, for different publishers. She lives in Edinburgh, Scotland. She has been writing and editing children's books for nearly 20 years, and has written more than 100 books. Her specialist areas include life sciences, such as the human body, genes and DNA, animals and sea life.