One of the richest periods in the history of Marvel's resident Thunder God comes your way in a grand collection of space-spanning sagas and time-travel tales with this Essential Thor Graphic Novel! Thrill to Thor's descent into Pluto's dark realm, the first appearance of Firelord, Galactus' battle with Ego the Living Planet, Loki's invasion of Earth, the search for an errant Odin and a trip into the end of time courtesy of Zarrko the Tomorrow Man! Guest starring Hercules and the Olympians, the Egyptian pantheon, the Warriors Three, the Avengers, Ulik the Rock Troll, the Absorbing Man, and more! Collecting Thor (1966) #221-247. 520 pages.