Meet Mattis, a K9 police dog who loves helping people and fighting crime alongside his partner, Sergeant Mark. Learn what Mattis's favorite part of the day is as he follows scent trails, tracks down missing items, and performs his official police work. K9 Mattis on the Job from author and police sergeant Mark Tappan will captivate kids as they discover what a day in the life of a German shepherd police dog is all about. Real-life hero Mattis the K9 officer first captured America's hearts on A&E's America's Top Dog and at school visits across the country. Now, through this fun story based on Mattis's official police work, kids will find out what this pup loves to do each day, from driving to the police station in the morning (okay, Sergeant Mark does most of the driving) to training with the other officers to using his super sniffer to find missing items! But can you guess what Mattis's favorite part of the day is This picture book is for boys and girls ages 4 to 8; is for kids who love dogs, are fascinated by police officers or other first responders, or are fans of PAW Patrol's Chase and Officer Buckle and Gloria; includes bright, action-packed illustrations; and is a perfect choice for read-aloud events at school or libraries. Find out why so many have already fallen in love with one of America's fluffiest heroes!