Increasingly, the program at Dubai’s Emirates Airline Festival of Literature is tapping into the power books have to encourage positive change in our wellbeing, eating habits and general attitude to life. Indeed, this year’s theme, Here comes the sun, is in many ways a reflection of such optimism — and over two weekends in February in the festival’s new surroundings at the Habtoor City Hotels, its psychology, wellness and food strands offer a wide range