What is the fine-grained topic of the following text: A wonderful three volume adventure series of a time, space and parallel world travelling telepsychic adept; who may be working for, with or against an enforcement or monitoring organisation that has a rather enigmatic (if not downright cranky) AI-ish system called W.O.T.A.N. Only return the topic.
Science Fiction Adventure with Telepsychic Protagonist and AI System