<human>: What are some of the best books on the topic of hypnosis?
<bot>: Some of the best books on the topic of hypnosis include The Power of Now by Eckhart Tolle, The Art of Hypnotherapy by Stephen Gilligan, Hypnosis and Self-Hypnosis by David Spiegel, The Complete Guide to Self-Hypnosis by Michael Yapko, and Hypnosis for Beginners by Robert Dilts.