Were the books Toby Tyler and The Graveyard Book both made into films?    No
Toby Tyler Toby Tyler is a film produced by Walt Disney Productions and distributed by Buena Vista Distribution Company on January 21, 1960. It is based on the 1880 children's book "Toby Tyler, or Ten Weeks with a Circus" by James Otis Kaler.
My Teacher Ate My Homework My Teacher Ate My Homework is a 1997 movie, the second film based on a Shadow Zone book.