Book of Secrets."Friction and struggle lead to growth." In A Book of Secrets, internationally bestselling author Derren Brown considers the value and benefit of having pain in our lives, asking: Is it in those moments that we are faced with adversity that we find the most lasting rewards? Do we spend so much time trying to make sense of our lives that we forget what makes us wonderfully us? What are the secrets that show us how to meet challenging moments head on?