WA Barnstormer in Oz: A Rationalization and Extrapolation of the Split-Level Continuum is a 1982 novel by Philip José Farmer and is based on the setting and characters of L. Frank Baum's The Wonderful Wizard of Oz.
WDayworld is a science fiction novel by American writer Philip José Farmer. Published in 1985, it is the first in the Dayworld tetralogy of novels inspired by Farmer's own 1971 short story "The Sliced-Crosswise Only-On-Tuesday World". There are two sequels - Dayworld Rebel (1987) and Dayworld Breakup (1990) - and one prequel, Dayworld: A Hole in Wednesday, co-authored by Danny Adams (2016).
WDayworld Rebel is a 1987 science fiction novel by American writer Philip José Farmer, the second book in the Dayworld Trilogy.
WFoundation and Empire is a science fiction novel by American writer Isaac Asimov originally published by Gnome Press in 1952. It is the second book in the Foundation Series, and the fourth in the in-universe chronology. It takes place in two parts, originally published as separate novellas. The second part, "The Mule", won a Retro Hugo Award in 1996.
WGods of Riverworld (1983) is a science fiction novel by American writer Philip José Farmer, the fifth and last in the series of Riverworld books. It was reprinted in 1998 by Del Rey under the title The Gods of Riverworld.
WSecond Foundation is the third novel published of the Foundation Series by American writer Isaac Asimov, and the fifth in the in-universe chronology. It was first published in 1953 by Gnome Press.
WStar Trek: The Worlds of the Federation is a 1989 Star Trek reference manual written and illustrated by Lora Johnson, known at the time as Shane Johnson.