Introduces readers to the science that makes toilets possible. Accessible text, helpful diagrams, and a “How Does It Work?” feature make this book an exciting introduction to understanding technology. Levels Interest Level: Grades 4-7 Reading Level: Grades 3-5 Dewey: 600 Lexile® Measure: 760 F&P Level: T Pricing Library Bound: $28.50 (List) / $19.95 (S/L) 978-1-63517-238-6 Paperback: $9.95 978-1-63517-303-1 Multiuser Hosted eBook: $24.95 978-1-63517-368-0 Related Websites Roman Aqueducts: The Dawn of Plumbing National Geographic Kids: Toilets How Does a Siphon Work? All Books in This Series Search Find another Focus Readers title: Go