From the mixed-up files of Mrs. Basil E. Frankweiler (personal fav)
The Borrowers
Stuart Little
The Adventures of Huckleberry Finn
Tom Sawyer
Black Beauty
The last of the Mohicans
The legend of Sleepy Hallow
The Black Stallion
The Count of Monte Cristo
10,000 leagues under the sea
National Velvet
Robin Hood
King Arthur
Little Women
The Little Princess
The Narnia Books, but that's a given.
The Herriot series about his days as a vet: All Things Bright and Beautiful. Great stories about Animals, sick animals, a bit of romance thrown in, and great dialog.