Business books;Book Review;Job interviews;Application;Are You Smart Enough to Work at Google? By William Poundstone.Whom to hire is one of the great problems organisation-man faces.If he gets it wrong he may be forced to share a confined space for an indefinite period with someone deficient in wit,aptitude and hygiene, with nothing but a flimsy partition for protection.If he gets it wrong in a different way, tomorrow he may be fired by today's meek applicant.Each industry has its own method for hiring:Britain's spy service sometimes physically roughs-up new recruits to see how much they enjoy that sort of thing.Candidates for more everyday roles within the civil service are given a bulging in-trayfilled with documents of varying importance, and not enough time to clear it.To judge by “Are You Smart Enough to Work at Google?”―which combines anecdotes from current and former employees of Silicon Valley firms,with a potted history of the pop psychology and practice of interviewing,and lots of brainteasers of a sort favoured by interviewers at Google―plenty of firms treat graduate recruitment the way Alfred Hitchcock treated blondes.Inexperienced Tippi Hedrens can be made to squirm.They get asked impossible questions by stony-faced interviewers who offer them no feedback or encouragement,