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.
Tom's Midnight Garden (film) Tom's Midnight Garden is a 1999 family fantasy film directed by Willard Carroll and starring Nigel Le Vaillant, Marlene Sidaway and Serena Gordon. After going to stay with his uncle a boy is disappointed that he doesn't have a garden he can play in. However, he discovers a secret garden that only appears in the middle of the night. It was based on the novel "Tom's Midnight Garden" by Philippa Pearce.