The Coming of the Saucers: Kenneth Arnold and the First Great Golden Age UFO Sighting
by Frank G. Wilkinson
They approached rapidly, passing almost in front of Arnold's plane. He counted nine of the objects, crescent-shaped and tailless, as they rocketed along in a peculiar reverse echelon formation, the first craft flying higher than the last. Their erratic flight reminded him of speed boats chopping along on rough water... A free full chapter excerpt from "The Golden Age of Flying Saucers."