The Dungeon 2(2003)
(A book in the Philip Jose Farmer's The Dungeon series)
An omnibus of novels by Robin Wayne Bailey, Charles de Lint and Philip José Farmer
This title contains "The Valley of Thunder" and "The Lake of Fire". In the first, Clive Folliot faces dinosaurs, cave creatures, giant worms and shark people as he searches for his twin, Neville. In the second story, he and his troops, reunited with Neville, escape to the next level of the Dungeon.
Used availability for Charles de Lint's The Dungeon 2
April 2003 : USA Mass Market Paperback