The Lavalite World
The lavalite world is a world of slow but constant change. Here mountains rise from plains, or sink into rifts; new oceans form as vast hollows collapse and seas rush in. There is only one escape from this world where the very landscape moves. The gateway to other universes is in the palace of the Lord Urthona. Paul Janus Finnegan – also known as Kickaha – must reach it if he is to survive. And he must do so despite Urthona and Red Orc, the hired thug McKay, flesh-eating vegetation on the move, and planetary pseudopods...
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Philip José Farmer
Philip José Farmer (1918–2009) was an American author, principally known for his science fiction and fantasy novels and short stories. He spent much of his life in Peoria, Illinois.
Farmer is best known for his Riverworld series and the earlier World of Tiers series. He is noted for his fascination for and reworking of the lore of legendary pulp heroes, and occasional tongue-in-cheek pseudonyminous works written as if by fictional characters.
World of Tiers
World of Tiers consists of seven books. The current recommended reading order for the series is provided below.

