David J. Bodycombe is an English puzzle author and games consultant. He devises puzzle for the Daily Mail, Daily Express, Metro and BBC Focus magazine.Bodycombe consults on television game shows, including The Crystal Maze, The Krypton Factor, The Mole and Treasure Hunt. He was the question editor for the first 8 series of BBC Four's lateral thinking quiz Only Connect. On BBC Radio 4 he appeared on the quiz Puzzle Panel and devised the cryptic clues for X Marks the Spot. He has written and edited over forty books, including How to Devise a Game Show and The Riddles of the Sphinx – a history of modern puzzles.In 2005 he started to devise sudoku puzzles, and was the first person to have sudokus published in several major territories, including India and Scandinavia. As well as the classic 9x9 puzzle, he pioneered a number of alternative designs. His games, puzzles and questions also appear in magazines, and on websites, advertising campaigns, board games and interactive television.He edits UKGameshows.com, a wiki-based web site cataloguing UK television and radio game shows.