This lot includes over 25 vintage mass market paperback books from the 1970s, featuring various fiction genres such as action, crime & thriller, horror, and romance. Published by Doubleday, the novels are intended for an adult audience and are in English. The authors included in this lot are James A. Michener, Eric Van Lustbader, Irving Wallace, and many more. These vintage books offer readers a glimpse into the literary landscape of the 1970s, making them a unique and diverse collection for book lovers.