Compelling and addictive, Codeword is the cracking alternative to Su Dokus and Crosswords.The concept is simple. Each number represents a letter, so, starting with the solved letters, use your logic and vocabulary to reveal more letters, form words, and then crack the code!The Codeword series is so popular because you don t need any prior knowledge, unlike a crossword. You can just pick up a pen and get puzzling. It steadily increases your vocabulary, as the difficulty slowly grows as you progress through the book, and even though you ll be working your brain, it s the perfect way to unwind."