Philip José Farmer

The Dark Design is a science fiction novel, the third in the series of Riverworld books by Philip José Farmer. The title is derived from lines in Sir Richard Francis Burton's poem The Kasîdah of Hâjî Abdû El-Yezdî: And still the Weaver plies his loom, whose warp and woof is wretched Man Weaving th' unpattern'd dark …

The Fabulous Riverboat is a science fiction novel, the second book in the Riverworld series by Philip José Farmer. A shorter version of the novel was serialized in If magazine as "The Felled Star" and "The Fabulous Riverboat".