The Times Jumbo Cryptic Crossword Book 18: The world’s most challenging cryptic crossword (The Times Crosswords)

This supremely challenging cryptic collection contains 50 jumbo-sized puzzles, conceived to really challenge your word skills.

Selected by The Times' Crossword Editor, Richard Rogan, 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 23 x 23 squares (in comparison to the standard 15 x 15 grid), they require serious word power and cryptic puzzling skill.

Put your linguistic prowess to the test with these quality puzzles from the Times’ crossword writers.

• From the UK’s No.1 puzzles publisher

• The Times Jumbo Cryptic Crossword is the only jumbo cryptic crossword available

Competition: Daily Mail. Daily Telegraph. Sunday Telegraph