Some people think it’s a man’s world. Those people tend to be men, and sometimes it’s just easier to let them carry on believing that to be true. We know the truth – sisters have been doing it for themselves for years. Find out what makes a winning woman; the scientific proof why men are rubbish, and why no one of us should spend a single moment more in the gym. Take it from us – the best man to read this book is a woman.