<prompt> Gadzira shanduro yakaoma kunzwisisa yeiyi mutongo Muna 1975, Stange akatanga bhuku duku renhau, Nebula .  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Muna 1975, Stange akatanga magazini duku yokunyora mabhuku, Nebula , uye akapfuurira kuigadzira, kuidhinda nokuparadzira kusvikira muna 1984. 