From publisher blurb:
Are you ready for the mind-blowing potential of the psyche? This handbook describes over 150 paranormal powers: telepathy, ESP, clairvoyance, psychokinesis, biofeedback, out-of-body travel, plus many amazing talents never before revealed. The psionicist is a completely new character class for AD&D games, both for player characters and NPCs.
Explore inner space! Now you can really put mind over matter with The Complete Psionics Handbook.