This single-paragraph overview features two hardcover annual publications documenting significant auction years for the renowned auction house: Art at Auction: The Year at Sotheby Parke Bernet 1977-78 and Sotheby's: Art at Auction 1996-1997. These comprehensive volumes serve as vital historical records of the global art market, showcasing high-profile sales, decorative arts, and prominent private collections like the George Ortiz Collection. Both books feature richly illustrated internal pages with detailed analyses of celebrated masterpieces and artifacts, and they remain in very good, clean condition with well-preserved dust jackets and crisp text pages.