A service dog hears a doorbell, runs to its owner, and then nudges her leg with its nose. The owner cannot hear the bell, but she knows there's a visitor—thanks to the dog's signal. In this captivating introduction to service dogs, beginning readers will learn all about these dedicated canines that take on different jobs to assist people with disabilities or illnesses. From opening doors for a person in a wheelchair to calling the hospital when an owner has a seizure, these trustworthy service dogs can do it all. Each 24-page book features controlled text with age-appropriate vocabulary and simple sentence construction. The lively text, colorful pages, and exquisite photos are sure to delight and engage emergent readers.