The man called Noon - Louis L'Amour

In one swift moment, a fall wiped away his memory. All he knew for certain was that
someone wanted him dead-and that he had better learn why. But everywhere he turned
there seemed to be more questions-or people too willing to hide the truth behind
a smoke screen of lies. He had only the name he had been told was his own, his mysterious
skill with a gun, and a link to a half million dollars' worth of buried gold as evidence
of his past life. Was the treasure his? Was he a thief? A killer? He didn't have
the answers, but he needed them soon. Because what he still didn't know about himself,
others did-and if he didn't unlock the secret of his past, he wasn't going to have
much of a future.