Doc Savage and his fabulous crew journey to Tibet in pursuit of their most dangerous adversary, the evil genius Mo-Gwei. Battling against overwhelming odds, they try to stop him from conquering the world with a diabolical machine known as the Blue Meteor, a screaming blue visitor from space that turns men into raving animals!

First published in Doc Savage magazine # 13 March 1934 - written by Lester Dent.