Question: Who wrote the 2007 British television film "Coming Down The Mountain" and authored a 2003 mystery novel based on Arthur Conan Doyle's short story "Silver Blaze"?

Related documents: [0]  [DOC] The Curious Incident of the Dog in the Night-Time is a 2003 mystery novel by British writer Mark Haddon. Its title quotes the fictional detective Sherlock Holmes in Arthur Conan Doyle's 1892 short story "Silver Blaze". Haddon and "The Curious Incident" won the Whitbread Book Awards for Best Novel and Book of the Year, the Commonwealth Writers' Prize for Best First Book, and the Guardian Children's Fiction Prize. Unusually, it was published simultaneously in separate editions for adults and children. [END] 
[1]  [DOC] Coming Down the Mountain is a 2007 British television film which was shown on BBC One, written by Mark Haddon (author of "The Curious Incident of the Dog in the Night-Time") and directed by Julie Anne Robinson. The television film was based on a radio play also written by Haddon. [END]  
Answer: Mark Haddon
Mark Haddon