Byline: By Brian McIver
IT'S ONE of the most enduring thriller stories in Scottish literature . . . and one of the greatest spy films ever made. ADVD of The Thirty-Nine Steps is free in the Daily Record tomorrow, so you can own a copy of the film version of Scots author John Buchan's classic tale.
Robert Powell, Sir John Mills and David Warner are just some of the great cast in the First World War thriller about espionage, police chases and intrigue.
Here are 39 fascinating facts about The Thirty-Nine Steps: 1The hero is Scots engineer Robert Hannay, who returns to London after a lengthy posting in South Africa.
2His quiet life is shattered when the mysterious Scudder (Sir John Mills) tells him he's hunting German …