First published 1952
When the Stone twins buy their own spaceship, their whole family gets swept up in an interplanetary adventure. From the lunar colony to Mars, the Asteroid Belt, and beyond, the Stones face challenging economies, medical crises, and the temptation to never return home. But through it all, their family bonds only grow stronger.
Genres: family, science-fiction, adventure, space-opera
Vibes: emotional, fast-paced, thought-provoking
Tropes: found-family, space-exploration
Setting: Earth, Mars
Period: Future
Mass Market Paperback · Del Rey