Daily Mail Smallest, Hardest Crossword: 100 Tiny But Tough Crosswords: v. 2 by Lucien Harris
Tantalising, tricky and horribly hard, these all-new smallest, hardest crosswords from the Daily Mail are the latest crossword craze. Despite having only four across and four down clues to solve you'll be driven crazy trying to work them out. For all those puzzle pros who need a challenge, these 100 tiny teasers are for you.