He won an Oscar for writing the screenplay of "The Cider House Rules", based on his own novel
... 
John Irving for The Cider House Rules (for which he won an Oscar), Pearl S. 
Buck for... [DOC] [TLE] The Cider House Rules by John Irving, Paperback | Barnes & Noble [PAR] Nov 2, 1999 ... First published in 1985, The Cider House Rules is John Irving's sixth novel.