Which 16-book novel series created by Deborah Gregory in 1999 was adapted both to a film and then a television series in 2003?
The Cheetah Girls (film) The Cheetah Girls is a 2003 television film based on the book series of the same name by Deborah Gregory.
Guardians of Ga'Hoole Guardians of Ga’Hoole is a fantasy book series written by Kathryn Lasky and published by Scholastic. The series, which was intended to end in 2008 with the publication of "The War of the Ember" until a prequel "The Rise of a Legend" was published in 2013, has a total of sixteen books. Apart from the main series there are a few more books and spin offs set in the same universe. The first three books of the series were adapted into the animated 3D film "", directed by Zack Snyder.