Of course, you will remember the preceding story by Bob Olsen, in which acquaintance was made with the Four Dimensional Hyper-Forceps. In this story, we learn a lot more about the fourth dimension, a good deal of which is probably new to most of our readers. Our author has a knack far handling a subject that usually is only understood by mathematicians in such a way that it becomes plain and understandable on its face to all of us. It is a pleasure to publish this new, high quality, and affordable edition of this fantastic story.