THE PROFESSOR'S MYSTERY No good ever comes of half understandings THE PROFESSOR'S MYSTERY BY WELLS HASTINGS AND BRIAN HOOKER WITH ILLUSTRATIONS BY HANSON BOOTH NEW YORK GROSSET & DUNLAP PUBLISHERS Copyright 1911 Copyright The Bobbs-Merrill Company The Bobbs-Merrill Company CONTENTS In Which Things Are Turned Upside Down The Meadow of Illusion