Startling Comics #18

Startling Comics #18 is an anthology featuring multiple superhero stories. The issue's lead feature stars the Fighting Yank, a super-patriot who battles an eerie monster in an underwater setting, using his power-bolt to defeat the creature. Another story follows Captain Future as he confronts supernatural threats including ghosts and a spectral woman, ultimately using a sonic transmitter device to sabotage an enemy warehouse. A third story features Dick Topples and Mr. Clark, who uncover a criminal plot involving a "new dynamo" device and sonic transmitter; the villains plan to use these to set fires and cause destruction, but the protagonists work to stop them during a warehouse fire on the east side of town.