Ian Haydn Smith is a UK-based writer and editor. As a journalist he has written on film and the arts for numerous media outlets, both print and broadcast. From 2007 to 2012 he was editor of International Film Guide . He has spoken at film festivals and cultural events around the world, both as a critic and as a representative of the British Council. He has interviewed a variety of filmmakers and artists, including Ralph Fiennes, Clint Eastwood, Isabelle Huppert, Alan Bennett, Ang Lee, Agnès Varda, Terry Gilliam and Anton Corbijn. Recent publications include FilmQuake , Selling the Movie , and editing the updated edition of 1001 Movies to See Before You Die . He lives in London. Dr Gareth Moore is the author of over 200 puzzle and brain-training titles for both children and adults, including The Ordnance Survey Puzzle Book (Trapeze), Enigma: Crack the Code (Michael O'Mara) and The Penguin Book of Puzzles (Michael Joseph).

His books have sold in excess of 5 million copies in the UK alone, and have been published in over 35 different languages. He is also a director of the World Puzzle Federation, which oversees the World Puzzle Championships, and a director of the UK Puzzle Association. Find him online at DrGarethMoore.com.