Bumba books. Machines that go

Carefully leveled text and fresh, vibrant photos engage young readers in learning about how police cars work and what they do. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills.

"Carefully leveled text and fresh, vibrant photos engage young readers in learning about how big rigs function. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills"-- Provided by publisher.

"Carefully leveled text and fresh, vibrant photos engage young readers in learning about how motorcycles work. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills"--