The Incredible Journey, by Sheila Burnford. (EB book, Grade A Siamese cat, an old bull terrier, and a young Labrador retriever travel together 250 miles through the Canadian wilderness to find their family.
Of Mice and Men - John Steinbeck. Come to think of it.anything by Steinbeck. One can always learn more about writing by rereading Steinbeck. Even after teaching this one about 50 times, I still love it.
Great Tales of Terror and the Supernatural (Modern Library)