Paths of Glory by Jeffrey Archer

Some people have dreams that are so magnificent that if they were to achieve them, their place in history would be guaranteed. But what if one man had such a dream…and once he'd fulfilled it, there was no proof that he had achieved his ambition?

This is the story of such a man: George Mallory. He once told an American reporter that he wanted to climb Mt. Everest "because it's there." On his third attempt in 1924, at age thirty-seven, he was last seen six hundred feet from the top. His body was found in 1999. And it still remains a mystery whether he ever reached the summit