This little book of 100 pages contains a simple and concise account of the technique of hypnosis, particularly adapted for dentists who wish to remove tension and fear of pain in the dental chair. The technique suggested by the author has several practical items which are omitted in most books on hypnosis. One is the use of little physiological facts, such that it is impossible to open the eyelids if the eyeballs are turned upwards. Hence by using this knowledge the author intensifies the suggestive effect of his hypnosis. He does not claim more for hypnosis than symptomatic relief and does not delve into the unconscious with it. Although there is no actual evidence that crime has ever been committed under the influence of post-hypnotic suggestion, all Hollywood to the contrary,