Selected by the Times' crossword editor, Richard Browne, this original collection will challenge even the most experienced crossword buff. The ultimate and only jumbo cryptic crosswords available, these puzzles will allow you to give the grey matter a real workout. With unique grids of 23x23 squares (in comparison to the standard 15x15 grid), they require serious word power and cryptic puzzling skills. Put your linguistic prowess to the test with these quality puzzles.