The Asutra
Author: Jack Vance
Year written: 1971
Author’s age at the time: 55
Year published: June 1974
Publication: The Magazine of Fantasy and Science Fiction
Dutch title: De Asutra
Series: Durdane
Genre: novel, SF
First publication was in The Magazine of Fantasy and Science Fiction, May and July 1973. (ref: colophon Durdane, 1976 Meulenhof)
First book publication in 1974 by Dell Publishing. [ref]