The Brave and the Bold, Vol. 1

"The Menace of the Matter Master" - An alchemist has discovered a compound that gives him control over elements and compounds in their pure state, and uses it to go on a crime spree.

"The Valley of the Vanishing Men" - Mavis Trent heads out in search of the abominable snowman, and she actually finds him. She's soon captured by him, and the Hawkpeople come out to investigate. They learn the yeti of legend not only exist, but they are not even native to this Earth.