Octavo, 5 volumes, leatherette. Trade editions. The first volume and the fourth volume are signed by Vance. All five volumes comprising the "Demon Princes" series. "Originally published between 1964 and 1981 . these five picaresque novels are vintage Jack Vance, crammed to the brim with sardonic wit and beautiful, slightly understated prose. Five aliens, the Demon Princes of the title, were responsible for the Mount Pleasant Massacre, which destroyed an entire world. Kirth Gersen, whose entire family died in the massacre, has dedicated his life to hunting down and avenging himself upon the princes, one per volume." - Anatomy of Wonder (2004) II-1160. [Reference: Anatomy of Wonder (2004) II-1160. Hewett and Mallett, The Work of Jack Vance, A15m, A17m, A31h, A61c, A66b]. First U. S. hardcover editions volumes 1-3, first hardcover editions volumes 4 and 5.