Complex sentence: The first two issues of "Nebula" contained the two novels Hamilton had bought before changing his plans from a paperback series to a magazine: "Robots Never Weep" by E.R. James, and "Thou Pasture Us", by F.G. Rayer.
Split into simpler sentences: The first two issues of "Nebula" contained the two novels Hamilton had bought before changing his plans from a paperback series to a magazine. They were "Robots Never Weep" by E.R. James, and "Thou Pasture Us", by F.G. Rayer.