The science fiction and fantasy author, American Philip Jose Farmer has died aged 91. He was best known for his World of Tiers series, six novels published between 1965 and 1993 and the later Riverworld series, five novels published between 1971 and 1983. He was known for his common use of sexual and religious themes and also for the reworking of existing characters from fiction and history. He was one of the genre’s most prolific writers publishing a total of 37 novels and 22 collections of short stories along with a massive number of short stories, articles and essays published in a vast range of periodicals and magazines. He was still writing up until he died, with The Evil of Pemberley House, which he co-authored with Win Scott Eckert due for publication this year. Nothing burns in Hell is the most recent title held by Wellington City Libraries.