* Menace Of The Matter Master! * Valley Of Vanishing Men! * 1st APPEARANCE and ORIGIN "MATTER MASTER" (Mark Mandrill)
STORY 1: A new costumed criminal named the Matter Master, who has a magic wand that allows him to control all matter, has been sighted around Midway City committing fantastic robberies. When the most recent involved the creation of giant meteor creatures who are robbing the city art center, Hawkman and Hawkgirl go into action to try and stop the theft. The Matter Master manages to get away with the stolen loot by using his powers to make helicopter propellers attack the winged duo.
Later at his secret hideout, the Matter Master gloats over his recent victory are recalls how he gained his fantastic powers: How he was a scientist who accidentally discovered a new chemical, Mentachem, which he then fashioned into his magic wand to use for his own criminal gain.
The Matter Master next uses flowers to rob ancient Egyptian parchments from the Midway City Museum. This does not go unnoticed since Hawkman and Hawkgirl's Earthen alter-egos work at the museum. Using his enhanced sense of smell, Hawkman and Hawkgirl are able to track Matter Master back to his lair. However, the crook anticipated this move and has rigged the room to be air tight and have all it's oxygen siphoned out. However, Hawkman manages to smash the glass domed breathing apparatus the Matter Master is using to breathe, and forces him to turn the air back on. Defeated Matter Master is turned over to the authorities and his stolen loot recovered.
STORY 2: Mavis Trent is in the Himalayan mountains trying to find proof of the Abominable Snowman. She thinks she's found it when she sees a hirsute creature walking in the frozen wastes. However this creature's stone axe shoots out sparks which cause her to disappear, leaving behind only her camera behind to be found days later and returned to Midway City