Test your brain power with these challenging crossword puzzles.The Times2 Jumbo Crossword is an entertaining test of word power and general knowledge. The 60 definition-only crosswords in this collection offer the same challenge as The Times2 daily crossword but the larger grid packs an extra punch.The Times2 Jumbo Crossword appears weekly in the Saturday edition of The Times.The Times2 Crossword editor, John Grimshaw, has selected 60 of the best crosswords from The Times to create this great collection.