He has written several critical works and several novels, including the 1968 Nebula Award-winning novel Rite of Passage and the 1990 Hugo Award-winning study of science fiction The World Beyond the Hill (written with his wife, Cory Panshin).
Ia menulis beberapa karya kritikal dan beberapa novel, termasuk novel pemenang Penghargaan Nebula tahun 1968 Rite of Passage dan kajian fiksi ilmiah pemenang Penghargaan Hugo tahun 1990 The World Beyond the Hill (ditulis dengan istrinya, Cory Panshin).