Cora Lee is scientist and freelance writer whose work includes scientific articles for kids. This is her first book. She lives in Vancouver, B.C. Gillian O'Reilly is a children's author and the editor of a children's literature magazine. She lives in Toronto. Virigina Gray is the illustrator of several books for children. She lives in Katoomba, Australia.
Classroom teachers could use this book to introduce new concepts and relate them to everyday objects to help students understand their significance.