Science

The Way Things Work: An Illustrated Encyclopedia of Technology (Used Hardcover) - Simon & Schuster

Discover Biology (Used Paperback) - Anu Singh-Cundy & Gary Shin

What the Eyes Don't See (Used Paperback) - Mona Hanna-Attisha

Ask Me Series (Lot of 14 Used Hardcovers)

Extraterrestrial Visitations from Prehistoric Times to the Present (Used Mass Market Paperback) - Jacques Bergier

Futures - David A. Hardy & Patrick Moore (Signed by both authors)

Space Support of U.S. National Security Conference - November 24, 1987