Were the books Toby Tyler and The Graveyard Book both made into films?    No
The Graveyard Book The Graveyard Book is a children's fantasy novel by the English author Neil Gaiman, simultaneously published in Britain and America during 2008. "The Graveyard Book" traces the story of the boy Nobody "Bod" Owens who is adopted and raised by the supernatural occupants of a graveyard after his family is brutally murdered.
Diary of the Dead Diary of the Dead is a 2007 horror film by George A. Romero. Although independently produced, it was distributed theatrically by Dimension Films and was released in cinemas on February 15, 2008 and on DVD by The Weinstein Company and Genius Entertainment on May 20, 2008.