I've always loved the covers Roy Krenkel did for ERB's "Land That Time Forgot" trilogy.
COMICS, OLD-TIME RADIO and OTHER COOL STUFF: Random Thoughts about pre-digital Pop Culture, covering subjects such as pulp fiction, B-movies, comic strips, comic books and old-time radio. WRITTEN BY TIM DEFOREST. EDITED BY MELVIN THE VELOCIRAPTOR. New content published every Monday, Wednesday, Thursday & Friday.