Courtesy of Hollywood Insider:
"Finally, Steven Spielberg has chosen his next project: War Horse, the World War I story about a friendship between a boy and a horse. It’s been two years since Indiana Jones and the Kingdom of the Crystal Skull bowed, and audiences worldwide have been waiting for Spielberg to choose his next movie. (Yes, he’s been working on the Tintin series with Peter Jackson but that film won’t bow until Christmas 2011.)
In the meantime, Spielberg has turned his sights to War Horse. The project is based on a novel by Michael Morpurgo that was published in Great Britain back in 1982. The adapted screenplay has been written by Lee Hall (Billy Elliot) and Richard Curtis (Love Actually). The film, produced by Kathleen Kennedy, Frank Marshall and Revel Guest will be produced by Dreamworks and released by Disney Studios on August 10, 2011."