Sensing danger approaching, Tykie suddenly alerts her human partner. Tykie is trained to help her deaf owner recognize sounds that she cannot hear. In Service Dogs, young children will meet many dogs like Tykie who help their owners live with disabilities. Through real-life stories of dogs on the job, children will learn about the different breeds trained to provide companionship and service to people, and how dogs and people work together. Four-color photos and compelling narratives guarantee to engage and entertain children as they learn that dogs truly are man's best friend.