Richie Rich: Derring-Do and Dough-Re-Mi #72154

When Richie and Mr. Rich arrive in the South Pacific to retrieve the crown jewels of Pacifica, their high-tech submarine is swiftly stolen—after they’re knocked out by a sneaky gas attack. The Googol Strikes! delivers classic Richie Rich mischief and maritime mayhem in this 1983 adventure from the Derring-Do and Dough-Re-Mi series.

In "The Googol Strikes Part 3: The Googol Exposed!", Richie Rich follows a trail of curiosity after hearing the name Googol, leading him to a dock where he uncovers a stolen submarine. Taken aboard by the mysterious Googol, he’s whisked deep beneath the sea to a hidden vault containing the lost jewels of Pacifica. With the help of his father, Mr. Rich, Richie uses his sharp mind and knowledge of history to unravel the truth behind the thief’s identity—revealing a surprising connection to a forgotten World War II pilot.

In "Richie Rich and the Silent Witness Part 1," aspiring young photographer Kevin teams up with Richie Rich after snapping a photo of thieves at a sportsmen's show. When the crooks track them to Richie's mansion, the boys find themselves in a clever game of cat-and-mouse as Richie uses the house's quirky gadgets to outwit the intruders.

In "The Silent Witness Part 2: in a Very Startling Photo," Richie and Kevin are on the run from bungling thieves after a camera theft, leading to a chaotic chase through the mansion. With Kevin lost and the thieves scrambling to escape, Richie uses his closed-circuit TV system to track him down—only to find the crooks hopelessly tangled in the house’s maze of corridors. When the thieves are finally rescued (and arrested), Kevin considers a new path—though not the one Richie suggests.

In "Richie Rich in The Detectives," Richie and Gloria, inspired by a detective TV show, decide to become amateur sleuths. After spotting a wanted poster at the post office, they chase a suspect—only to discover the man is actually a contestant on a game show.

In "Richie Rich in The Sunboat Quest Part 1," Richie Rich zips back to ancient Egypt with a time machine, chasing the legendary sunboat of a Pharaoh. After accidentally upsetting the royal court with his modern gadgets, he’s locked up—only to be rescued by a mysterious kid who claims Richie is the real Pharaoh. With a 20th-century ladder and a fishing rod, he sets out to reclaim the stolen crown, sparking a high-speed chase through the pyramids.

In "The Sunboat Quest Part 2: in The Prediction," Richie and Tut-Tut dodge guards while fleeing through the desert, only to face Tut-Tut’s uncle, Ras-buh-ree, who claims he’s the rightful Pharaoh. When Richie suggests the people choose their ruler, Ras-buh-ree demands proof—so Richie points to a book predicting a solar eclipse at noon the next day. With the fate of the kingdom hanging in the balance, Tut-Tut boldly declares the sun will vanish, and the people must decide who truly leads them.

In "The Incredible Shrinking Boy," Richie Rich finds himself miniaturized by the villainous Shrinker, who demands a ransom to restore him to normal size. With help from his loyal friend Cadbury, Richie must outwit the crook while staying hidden in the most unlikely places—like a lead drainpipe and even inside the Shrinker’s own car—before the tide turns in a surprising twist.