Tomb of the Fathers

In Tomb of the Fathers, a short novel by Eleanor Arnason, Arnasons recurring character Lydia Duluth joins a motley crew of intergalactic travelers to explore the long-lost homeworld of the Atch, who have a mysterious history they'd like to keep buried on the planet they left behind. But the expedition goes awry when a rogue AI, determined to keep the planet and its system quarantined, destroys the star-gate, stranding the expedition on the planet. The travelers encounter the native Atch and discover the Tomb of the Fathersand see firsthand what can happen when childcare becomes the dominant issue for a species.