Book excerpt: Think you know your cranium from your clavicle? Tibia from your trachea? Think again… Test your brain, solve riddles and learn about how the body works with this unique puzzle book using illustrations from Gray’s Anatomy. Divided into different sections of the body, the Gray’s Anatomy Puzzle Book takes the medical reference classic as its starting point for puzzles, riddles and general knowledge questions that will test your wits and challenge your brain. Learn more about the body in an easy and fun way with questions that vary in difficulty, from easy to fiendish, and are suitable for those with little knowledge of the human body, or those in the know who are interested in testing themselves with a new challenge. Puzzle types include: Sudoku Anagrams Crosswords Encoded pairs Missing letters Secret codes Lettermorphosis Follow visual clues and apply logic to reveal fascinating facts from medical history and learn about how our amazing bodies function.