She has received awards and nominations for her works A Lesson Before Dying (1999), The Chronicles of Narnia: The Lion, the Witch and the Wardrobe (2005), and The First Grader (2015).
[3] She wrote the HBO film A Lesson Before Dying (1999), for which she won the 1999 Primetime Emmy Award for Outstanding Writing for a Limited or Anthology Series or Movie.
[4] In 2000, she adapted the Langston Hughes short story Cora Unashamed into a TV movie of the same name for PBS' The American Collection.
[5] In July 2002, Walden Media hired Peacock as the screenwriter for The Chronicles of Narnia: The Lion, the Witch and the Wardrobe,[3] for which she was later nominated for the 2006 Hugo Award for Best Dramatic Presentation (Long Form).
[6] Her screenwriting credits also include In My Comedy (2004), Pictures of Hollis Woods (2007), Kit Kittredge: An American Girl (2008), Nights in Rodanthe (2008), and The Killing Room (2009)[7][8][1][2][9] She won the 2012 NAACP Image Award for Outstanding Writing in a Motion Picture for her screenplay The First Grader.