Atom

Ride a Deadly Grenade! - A scientist overseas has developed an antimatter metal he calls cavorite, but is shot before he can have it sent to the United States. It is up to the Atom to find a way to recover it, but the spies he is dealing with are behaving rather suspiciously.

The Mysterious Swan-Maiden - The Atom is called to testify as an expert witness in a case where a swan is accused of bank robbery.