The Keeper Of The Lost Cities series revolves around a 12-year-old telepathic girl named Sophie, who is searching for answers about her secret abilities. She goes on to learn that she is not human, but from another world.
Affleck, who starred in last year’s critically acclaimed sports drama The Way Back, has wrapped up filming Ridley Scott’s The Last Duel and Adrian Lyne’s Deep Water.
Affleck has in the past directed Gone Baby Gone, The Town, Live By Night and Argo, which won an Oscar for best picture.