The Magic of Xanth Trilogy Box Set by Piers Anthony, published by Del Rey Ballantine Books in 1987, is a vintage collection of fantasy novels set in the whimsical world of Xanth. This three-volume set, featuring illustrations by Darrell K. Sweet, is written in English and is suitable for an adult audience. The stories follow the adventures of characters in a world filled with magic and fantastical elements, making it a delightful and enchanting read for fans of fantasy literature from the 1980s.