What made the boys follow Griffin? As Griffin was invisible, his footprints appeared out of nowhere on the snow. The boys saw the footprints without any feet and were amazed. That’s why they started following the footprints which were of Griffin. Related posts: The Summer of the Beautiful White Horse – Questions and Answers What distinction does the narrator make between ‘stealing a horse for a ride’ and ‘stealing money’? Why does the narrator refer to the ‘Black Hole of Calcutta’? What had been put up on the bulletin board?