Wonder Woman, Vol. 2 #54 (1991)

Mind Games
Helen Anderson, one of Vanessa's teachers, is suspicious of Vanessa's therapist and decides to give him a vist but finds Dr. Psycho instead. The strange attacks on the museums continue, and Hippylota disappears after masked bandits invade her hotel room. Meanwhile, Diana and Hermes, unsure of what is real and what is not, fight over the city of Boston.
Release Date: 1991