About Dorothy Hinshaw Patent Books by Dorothy Hinshaw Patent At Home with the Beaver A Story of a Keystone Species by (author) Dorothy Hinshaw Patent by (photographer) Michael Runtz Ages 5 to 9 Grades k to 4 The Right Dog for the Job Ira's Path from Service Dog to Guide Dog by (author) Dorothy Hinshaw Patent Ages 8 to 12 Grades 3 to 7
