Book excerpt: 'Richard Wiseman is arguably the most interesting experimental psychologist working today' Scientific American Try to remember these letters: R A I O L T A L G. Struggling? Let's rearrange them and try again: A L L I G A T O R. Having a great memory is easy when you know how your mind works. Packed with powerful tricks of the memory trade and the science behind them, psychologist and bestselling writer Professor Richard Wiseman helps you to remember names and faces, birthdays and meetings, telephone numbers and shopping lists, exam answers and pub trivia, and where you left your keys (they are on the small table behind your sofa). Impress your friends, sharpen your mind and change your life with this unforgettable little gem of a book.