400 Classic Codewords: A Puzzle Book for Adults in 6” x 9” Size400 Codeword Puzzles: 15 x 15 Grid in Large Senior Friendly Format; 4" x 4" with 4 Letter Hints.More Puzzles; More Words; More FunSimilar to crossword puzzles, but here the concept is a little simpler. You do not need prior knowledge, just pick up the pencil and eraser and you are ready to roll armed with logic and vocabulary. Each number represents a letter, so, starting with the hint letters, use your logic and vocabulary to reveal more letters, form words, and so crack the code. Additional puzzle solving techniques are given in the book.This is no ordinary Codeword Puzzle Book because:Senior friendly big 4" x 4"; 15 x 15 puzzle gridTwo puzzles per pageFour letter hints ready inserted in all the puzzles to start you offCode grid solutions in the rearHappy solving and enjoy the large clear professionally set puzzles.