W. Somerset Maugham 
The Summing Up 

Autobiographical without being an autobiography, confessional without disclosing his private self,
The Summing Up, written when Maugham was sixty-four, is an inimitable expression of a personal credo. It is not only a classic avowal of a professional author”s ideas about style, literarture, art, drama and philosophy, but also an illuminating insight into this great writer”s craft.