Menace of the Super-Gorilla

Who was piloting the fantastic craft that darted so fast around the city it could not be seen? Only the Flash--by matching the craft's speed--could bring it into his field of vision--thereby revealing a tantalizing puzzle that extended thousands of miles across the world to an even greater suprise--and greater danger! in the "Menace of the Super-Gorilla!"

Trivia: this is the first appearances of Gorilla Grodd and Solovar

The Pied Piper of Peril!

He burst onto the city like a tornado--a tornado of incredible sound! Who was he? Where did he gain his amazing powers? None knew...and none could handle the amazing criminal until the Flash--Fastest Man Alive--catapulted onto the scene and came to grips with "The Pied Piper of Peril!"

Trivia: This is the first appearance of the Pied Piper