Simplify the following text for a Grade 5 native English-speaking person.
Original: Diana Wynne Jones ( 16 August 1934 â `` 26 March 2011 ) was a British writer , principally of fantasy novels for children and adults , as well as a small amount of non-fiction .
Simplified: Diana Wynne Jones ( August 16 , 1934 â `` March 25 , 2011 ) was an author from England . She wrote fantasy novels .