Juggler of worlds
Larry Niven, Edward M. Lerner
The Village Library Demon-Hunting Society
C. M. Waggoner
One Door Away From Heaven
Koontz, Dean
When the Moon Hatched (The Moonfall Series Book 1)
Sarah A. Parker
Tanar of Pellucidar
Edgar Rice Burroughs & Paul Cook
Savage Pellucidar
Edgar Rice Burroughs & Harry Turtledove & James Allen St. John