National Comics #71

In this charming 1949 slice of childhood humor, Lassie finds herself babysitting the curious Ulysses, taking him to the zoo where the big cats and elephants fail to capture his imagination. But when a toy mechanical mouse rolls into view, it’s the tiny, clattering gadget that steals his heart—proving that sometimes the smallest things spark the biggest wonder.

Policewoman Sally O'Neil investigates the murder of Flavian Stone at a wealthy estate, where Mr. Stone's secretary fears the heirs are plotting to inherit the fortune through foul play. When a weapon disguised as an everyday object becomes the key to unmasking the killer, Sally must piece together alibis and motives to catch a murderer who used deception and proximity to strike multiple times.

In "null," a clever thief targets a painting from an artist involved in early color TV experiments, exploiting the technology's quirks to pull off a high-stakes heist. When the artist notices the colors don't match the original, his sharp eye leads to the thief’s undoing—before the law can catch up, the truth reveals itself in a flash of color.