The STAR TREK Paperback Novel Yesterday's Son by A. C. Crispin is a collectible book in the Science Fiction & Horror genre, set within the Star Trek franchise. This novel is sure to appeal to fans of the iconic science fiction series, offering an engaging and thrilling story that will transport readers to a world of adventure and excitement. With its convenient paperback format, this novel is a must-have for any Star Trek enthusiast looking to delve deeper into the universe of Star Trek.