[PLANET OF ADVENTURE SERIES a.k.a. TSCHAI TETRALOGY]: CITY OF THE CHASCH, SERVANTS OF THE WANKH, THE DIRDIR, and THE PNUME. London: Dennis Dobson, . Octavo, four volumes, boards. First British (and first hardcover) editions. Each book is signed by Vance. Comprises CITY OF THE CHASCH (1968), SERVANTS OF THE WANKH (1969), THE DIRDIR (1969) , and THE PNUME (1970). Mild bump to upper spine end of CITY, else a fine set in fine dust jackets, each with publisher's price not clipped or overprinted. (#153120).