Let the Right One in director Tomas Alfredson has signed on to direct the a Di Novi Pictures period fantasy Larklight, for Warner Bros., according to Heat Vision.

The adaptation of a 2006 book by Philip Reeve is set in a Victorian-era alternate universe in which mankind has been exploring the solar system since the time of Isaac Newton and revolves around a brother and sister who team with a band of renegade space pirates to save the world from destruction at the hands of a madman.

Steven Knight (Eastern Promises) is rewriting the script to the project, to which Shekhar Kapur was previously attached as director.

No production date has been set.