The Guardian quick crossword is one of the most popular items in the paper, with tens of thousands of readers attempting to solve it every day. Challenging enough to tax the brain cells, but designed so that they can be completed on the train or in a lunch hour, the puzzles are pleasurably addictive. This is the eighth book in the quick crossword series, and it includes 150 puzzles from the Guardian archive that are guaranteed to appeal to everyone from novices to experts.