ROLAND HALL was a commissioning editor inthe UK for two decades, running a busy puzzle and popular culture list whichproduced very successful tie-in books with Mensa, the Sherlock Holmes Museumand Google Earth, among others. Since starting out as an author and puzzlesetter he has written a variety of puzzle books, including Disney BrainGames, Star Wars Jedi Mind Training, So This Is Christmas Quiz Book,ChessPuzzles, the bestselling Wordle Challenge series, The Best ofthe 80s Puzzle Cards, The Art of War Puzzles, Doctor Whodleand The Race Across the World Puzzle Book. He also works as aFrench-to-English translator, for clients including Asmodee, BloomsburyPublishing, Hachette, Hasbro, L'Oreal, Michel Lafon Publishing and UNESCO.