John Ajvide Lindqvist lives in Sweden, and has worked as a magician and stand-up comedian. His first novel, the international bestseller Let the Right One In, was published in more than thirty countries. 

Jack Thorne writes for theatre, film, television and radio. His theatre credits include Hope and Let The Right One In, both directed by John Tiffany, The Solid Life of Sugarwater for the Graeae Theatre Company, Bunny for the Edinburgh Fringe Festival, Stacy for the Trafalgar Studios, 2nd May 1997 and When You Cure Me for the Bush.

His adaptations include The Physicists for the Donmar Warehouse and Stuart: A Life Backwards for Hightide. On film his credits include War Book, A Long Way Down and The Scouting Book for Boys.

For television his credits include The Last Panthers, Don't Take My Baby, This Is England, The Fades, Glue and Cast-Offs and the upcoming National Treasure. In 2012 he won BAFTAs for best series (The Fades) and best serial (This Is England '88).