"A service dog is any dog that performs a job or a task that helps a person who has a physical or mental disability. These tasks can be anything from guiding people down a sidewalk to sniffing out changes in blood sugar levels. Find out how these personal support dogs are trained and how they bond deeply with their owners. Features include activities for further learning, author biography, comprehension questions, educational front/back matter, full-color photographs, glossary of key words, index, informative sidebars, note to parents and educators, suggested websites, and table of contents"--