THE SUNDAY TIMES BESTELLER‘Deeply informative, moving, wise and full of love’Alain de BottonEveryone says they want to be happy. But that's much more easily said than done. What does being happy actually mean? And how do you even know when you feel it?In Happy Derren Brown explores changing concepts of happiness - from the surprisingly modern wisdom of the Stoics and Epicureans in classical times right up until today, when the self-help industry has attempted to claim happiness as its own. He sh..