Bullfrog books. Machines at work

"Carefully leveled text in a narrative format couple with vibrant photograph to explore the function and features of ambulances. Includes picture glossary and index."-- Provided by publisher.

"This photo-illustrated book for early readers tells about tractor-trailers, or semis, and how these large trucks deliver goods we use every day"-- Provided by publisher.

"This photo-illustrated book for early readers describes the parts of a crane, different types of cranes, and the jobs they do. Includes photo glossary and matching game"-- Provided by publisher.

"This photo-illustrated book for early readers describes the parts of a dump truck, different types of dump trucks, and the jobs they do. Includes photo glossary and matching game"--Provided by publisher.

"This photo-illustrated book for early readers tells about the parts of a garbage truck and different kinds of trucks used to collect trash"-- Provided by publisher.

"This photo-illustrated book for early readers describes the parts of race cars that help it go fast and win races"-- Provided by publisher.

"Carefully leveled text in a narrative format couple with vibrant photograph to explore the function and features of snowplows. Includes picture glossary and index."-- Provided by publisher.

"This photo-illustrated book for early readers describes the parts of a tractor and the tools it pulls for different jobs on the farm. Includes photo glossary and matching game" --Provided by publisher.

"From semi-trucks to monster trucks, see the variety of vehicles young readers in preK-2 encounter in their community and in their world. Cover the basics of how trucks work, along with a brief history. Bold photographs and energetic text are perfect for read-alouds or introductions to transportation units. A short photo timeline in the back will reinforce how technology has changed over time."-- Provided by publisher.