Bad dog school
Barbara Joosse
Harris's family decides that his dog Zippy should go to dog obedience school, but after he is trained, they miss the old Zippy.

by Laurie Halse Anderson (2003)
Seeing Jane's dog, Yum-Yum, help cheer up children in a cancer ward makes Zoe think about having her puppy, Sneakers, trained to do therapy, too, especially when Yum-Yum becomes very ill.
Barbara Joosse
Harris's family decides that his dog Zippy should go to dog obedience school, but after he is trained, they miss the old Zippy.