For nerdy guys of a certain age (like me), Mail-Order Mysteries is a treasure trove of fun. One of the coolest aspects of comic books of the '60s and '70s were the wild ads. There were a plethora of ...

Flip through the old comics and you’ll find ads for all kinds of mail-order oddities. The pitches were bold and involved tiny pets, “working” submarines, magic tricks—just send in a few bucks and wait ...