New York: Simon & Schuster, (2016). SIGNED hardcover first edition - A young adult novel - "Nemesis is a Diabolic, a humanoid teenager created to protect a galactic senators daughter, Sidonia. The two have grown up side by side, but are in no way sisters. Nemesis is expected to give her life for Sidonia, and she would do so gladly. She would also take as many lives as necessary to keep Sidonia safe." SIGNED on the title page and dated 10/27 in the year of publication. Promotional materials laid in. 403 pp. ISBN: 978-1481472678.

New York: Harper & Row, (1987) dj. Hardcover first edition - The author's second young adult science fiction novel. 16 year old computer genius (and troublemaker) Bixby Wyler battles against all odds to reconstruct Ally, his girl humanoid, in time for NASA's Mars Landing project. 181 pp. Dust jacket by Lizzy Rockwell. ISBN: 0-060238356.