Edgar Rice Burroughs Lot of 8 Collection:  At The Earth's Core F-156, Pellucidar F-158 Cover art by Roy Krenkel, The Monster Men F-182 Cover art by Frank Frazetta, Thuvia Maid of Mars F-168 Cover art by Roy Krenkel, The Moon Men F-159 Cover by Ed Emsh, Lost on Venus F-221 Cover art by Frank Frazetta, The Eternal Savage F-234, Back to the Stone Age F-245 Art by Frank Frazetta and Roy Krenkel. 

All are in good condition - See pictures for best assessment of condition.  Please ask questions.