Hear the sirens See the police car Police cars help people in danger. Ambulances help people who are hurt. Whoosh Look at them drive quickly to the hospital Through delightfully simple text and bright close-up photos beginning readers will learn about rescue vehicles types and uses in this eBook. All Little Pebble books have an Accelerated Reader ATOS level of 1.0 or below. Bring augmented reality to your students by downloading the free Capstone 4D app and scanning for access to an online article video and discussion questions.