You can solve unassisted or get help using the reveal one letter or entire answer functionality. You can even check for errors. Enjoy the gold standard of crossword puzzles edited by Will Shortz on your Kindle device.
NY Times Crosswords Vol. 1 (30 World Famous Easy Puzzles) ($1.99)
NY Times Crosswords Vol. 2 (90 World Famous Easy Puzzles) ($4.99)
NY Times Crosswords Vol. 3 (30 World Famous Challenging Puzzles) ($1.99)
NY Times Crosswords Vol. 4 (90 World Famous Challenging Puzzles) ($4.99)