What's the difference between mean and median, blatant and flagrant, flout and flaunt? Is it whodunnit or whodunit? Do you know? Are you sure? With Troublesome Words, Bill Bryson offers a clear, concise and entertaining guide to the problems of English usage that has been an indispensable companion to those who work with the written word for decades. So if you want to discover whether you should care about split infinitives, are cursed with an overuse of commas or were wondering if that newsreader was right to say 'an historic day', this superb book is the place to find out.