The Rolling Stones (also published under the name Space Family Stone in the United Kingdom) is a 1952 science fiction novel by Robert A. Heinlein. …
The Stones, a family of “Loonies” (residents of the Moon, known as “Luna” in Latin), purchase and rebuild a used spaceship, and go sightseeing around the Solar System.
The twin teenage boys, Castor and Pollux, buy used bicycles to sell on Mars …

While on Mars, the twins buy their brother Buster a native Martian creature called a flat cat, born pregnant and producing a soothing vibration, as a pet. …
A similar concept and plotline appeared in the Star Trek episode “The Trouble with Tribbles“. …

Heinlein’s Stranger in a Strange Land and Time Enough for Love are two of my favourite books.
The controversial, provocative Heinlein, Isaac Asimov and Arthur C. Clarke are considered the big 3 early Science Fiction authors. I was one of the teenage boys who read them avidly.