 In 1972 Elizabeth Steele 's study of Walpole was published . Much shorter than Hart @-@ Davis 's biography , at 178 pages to his <unk> , it dealt mainly with the novels , and aimed " to show the sources of Hugh Walpole 's success as a writer during the thirty @-@ five years and fifty books of his busy career " . Steele concentrated on half a dozen of Walpole 's best books , each illustrating aspects of his writing , under the <unk> " <unk> " , " Artist " , " Witness " , " Evangelist " , " Critic " and " <unk> " . Steele also wrote a study of Walpole 's North American lecture tours ( 2006 ) and the article on Walpole in the Oxford Dictionary of National Biography ( 2004 ) , which treats his private life briefly but <unk> . 
