Vance, John Holbrook, writing as "Jack Vance." THE DIRDIR. New York: Ace Books, Inc., . Small octavo, pictorial wrappers. First edition. Ace Books 66901. Third book of the "Tschai" series. A fine copy. (#87492). Price: $25.00 Add to Cart Ask a Question Add to Wish List See more items by John Holbrook Vance, "Jack Vance." Printing identification statement for this book:"Coming Soon"