Sherlock Bones, the world's greatest dog detective, and his trusty sidekick, Dr Catson, are taking a well-earned holiday in Egypt when they discover that a precious mask has been stolen - and they are the suspects! Can Bones and Catson escape the tombs of the ancient cat kings and catch the true thief in time? This thrilling puzzle adventure contains 25 games, including spot-the-difference puzzles, picture codes and matching pairs. Can you crack the puzzles and help Bones and Catson solve their toughest case yet?