Every day, people are faced with critical, life-threatening situations - in times of trouble, who can help? In this title, readers will get to know the police officers who arrive on the scene of the crime or emergency. Chapters highlight the different kinds of law enforcement officers as well as the training, tools, and knowledge police forces need to save lives and property, collect evidence, investigate crimes, and uphold the law. An interview with a real-life police officer provides insight into what makes the worst days bring out their best. From the state patrol to the county sheriff, the stories of these Emergency Workers will keep young readers on the edge of their seats. Aligned to Common Core Standards and correlated to state standards. Abdo & Daughters is an imprint of Abdo Publishing, a division of ABDO.