#2 of 3 in The Broken Earth
#1 of 8 in Foundation (Publication Order)
#1 of 1 in London Below, The World of Neverwhere
4 Poet to Poet Series
#6 of 1 in The Complete Works of Robert Browning
#1 of 1 in Stranger in a Strange Land
#1 of 1 in The Folio Poets