"This Is How The Lesson Begins"

Written by Mart Bailey(writer and artist)

Issued 05/1941

From Big Shot Comics #13 - An inventor of a new rifle visits Jeff Cardiff as he trains his dog, Rex, to be an attack dog. Foreign spies try to steal the invention and graze Rex in the process, making Spy-Chief determined to bring them down.

Here are the pages I have of it.

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