Amazon.com description: Product Description: Police officers work hard to keep people safe, and theyre well-known helpers in our communities. Readers explore the basic question of what police officers do at work. Along the way, they learn fun facts about laws, police cars, and even police dogs! This career is popular among young readers and a staple in curricula geared toward early learners. Detailed photographs of police officers on the job were chosen to align with the accessible text, allowing readers to strengthen their reading comprehension skills. Vocabulary development is also aided by a picture glossary, featuring clear photographs of new terms.