Inexplicable 1970s sensation turned struggling copywriter into a millionaire. What contributed to the Pet Rock's popularity?
Gary Dahl (1936-2015), An Advertising Executive Who Invented The Pet Rock
Pet Rock inventor Gary Dahl dies at 78. He put a rock in a box and sold millions. - The Washington Post
Hard Sell: A History Of The Pet Rock Mental Floss, 51% OFF
Pet Rocks, The Ultimate Marketing Phenomenon - Alon Feder, Key Advertising
The Pet Rock Captured a Moment and Made Its Creator a Millionaire - ABC News
The Original Pet Rock
This Place in Yakima sells Deep Fried Sushi Rolls, and They're Amazing
Inventor of Pet Rock Dies at 78
The Best Gifts For Dog Lovers 2023 - Forbes Vetted
The Original Pet Rock