EARTHMAN, COME HOME - Avon, 1st pb (1958) - Good          THE SEEDLING STARS - Signet, 1st pb, 1959 - Good                GALACTIC CLUSTER - Signet, 1st Printing, 1959 - VG-             A CASE OF CONSCIENCE - Penguin, 1st Brit. pb, 1963 - VG-  VOR - Avon, 2nd printing, 1967 - Good+                                      by James Blish                                                                                                                                                                                     EARTHMAN & STARS are 1st pb novels; CLUSTER is the first publication of Blish's first collection; CONSCIENCE, his Hugo winning novel, is the first British pb printing, and the novel VOR, first published in 1958, is now long out of print.  Variable wear,  mostly exterior, on each book; all have secure bindings and no writing or bookstore stamps.