Police Dogs, , North Star Editions, Cynthia Argentine,Animals/Dogs,JUVENILE NONFICTION, working dogs; K9 units; drug and bomb detection; police dog training; how dogs help officers solve crimes; sniffer dogs; search and rescue work; tracking dogs; hi-lo books; educational nonfiction for reluctant readers; German shepherds; animal handlers,, Dogs at Work, United States, en-UShttps://northstareditions.comworking dogs; K9 units; drug and bomb detection; police dog training; how dogs help officers solve crimes; sniffer dogs; search and rescue work; tracking dogs; hi-lo books; educational nonfiction for reluctant readers; German shepherds; animal handlers, [BLURB],[CITY],,books, ebooks, biblet, Book2look