The Times Jumbo Cryptic Crossword 9 »

Compiled by the editor of London's The Times crossword, this original compilation will challenge even the most experienced crossword buff. With unique grids of 23 x 23 squares—larger than the standard 15 x 15 grid—these puzzles require serious word power and brain bending, and are the perfect quizzes for those looking to test their linguistic prowess to its limit. Initially published just four times a year on holidays, The Times crossword has appeared on a weekly basis since 1997.