The 21st Century Crossword Puzzle Dictionary (Crossword Dictionary) : Finally, a crossword dictionary with all the words solvers needâand none of the ones they don't! When it comes to puzzle dictionaries, it's the quality of what's inside that counts. Who needs a plethora of synonyms that never appear in an actual crossword? So, authors Kevin McCann and Mark Diehl analyzed thousands of crosswords to amass an up-to-date list of words that regularly turn up in today's top puzzles. To make the dictionary even easier to use, the most popular answers stand out in easy-to-see red, while charts highlight frequently sought-after information such as Oscar winners and Popes' names. Crossword fans will keep this right next to their favorite puzzles!