1915. [in light brown boards] Edinburgh and London: William Blackwood and Sons, 1915. 2 pp undated ads. Original light brown paper-covered boards with yapped edges, printed in black. First (Colonial) Edition of Buchan's best-known book, the classic mystery that has withstood the test of time both as a book and as a film. It features a British mining engineer from the southern Africa colonies, bored on vacation in London, who inadvertently learns too much about a German plot, and flees to his homeland of Scotland to avoid his pursuers. This was the first of Buchan's five mysteries to feature Richard Hannay (the others being GREENMANTLE, MR. STANDFAST, THE THREE HOSTAGES and THE ISLAND OF SHEEP). The tale was of course the basis for one of Alfred Hitchcock's most highly-regarded early films, released in 1935; there have been three other releases, the most recent (2008) for TV. This was a cheaply-produced wartime book (price one shilling), printed on cheap paper that has always…