Elsfield has few claims to fame, but the writer John Buchan did live in Elsfield Manor from 1919 to 1935. Links to other sites are given below.
The John Buchan Society - includes a biography, bibliography and information about the John Buchan journal. There's also a monthly quiz!
www.classicreader.com - If you really want to, you can read The Thirty-Nine Steps and other books by Buchan on this site!