John Holbrook Vance (born August 28, 1916 in San Francisco, California) is generally described as an American fantasy and science fiction author, though Vance himself has reportedly objected to such labels. Most of his work has been published under the name Jack Vance. Vance has published 11 mysteries as John Holbrook Vance and 3 as Ellery Queen. Other pen names include Alan Wade, Peter Held, John van See, Jay Kavanse. Wikipedia
This discussion and list does not necessarily include every book by Vance: it includes only those books that I both know and like. greatsfandf.com/AUTHORS/JackVance.php
The definitive Wikipedia entry for Jack Vance. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jack_Vance