 The popularity of the puzzle grew over the years, until it came to be considered the most prestigious of the widely circulated crosswords in America; its popularity is attested to by the numerous celebrities and public figures who have publicly proclaimed their liking for the puzzle, including opera singer Beverly Sills, author Norman Mailer, baseball pitcher Mike Mussina, former President Bill Clinton, conductor Leonard Bernstein, TV host Jon Stewart and music duo the Indigo Girls.The "Times" puzzles have been collected in hundreds of books over the years from various publishers, most notably Random House and St. Martin's Press, the current publisher of the series.In addition to their appearance in the printed newspaper, the "Times" puzzles also appear online at the paper's website, where they require a separate subscription to access.