Have you ever been so absorbed in a book that you just couldn’t put it down? And have you ever kept interrupting your partner saying “Listen to this” and read out aloud yet another extract (till they leave the room or the bed and go elsewhere for some peace)? Well I’m guilty of that and it’s not the latest John Grisham thriller or a fact more exciting than fiction Jeffrey Archer story. It’s ‘Why We Buy. The Science Of Shopping’ by Paco Underhill founder of retail research company Envirosell….