Edition: Paperback original - first printing.
New York: Ace Books, (1990). SIGNED first edition - The fourth book in this series which Booklist called "Madcap science fantasy.a fun-filled adventure!" SIGNED by the author on the title page. 233 pp. Cover art by James Warhola. ISBN: 0-441092705.
Condition: Good condition overall - usual toning to pages, bookstore stamp on first page, and some wear to the covers, straight spine.