Boundary novels

2.

As Helen Sutter, her super-sensor expert husband and their friends race to find caches of profitable alien technologies on the mysterious asteroid Ceres, an all-out interplanetary war threatens to break out as more and more enterprising people try to mine the technologies.

4.

3 stars

"Half a year into their journey to the colony world of Tantalus, Sakura Kimei, her family, and her best friend, the alien 'Bemmie' nicknamed Whips, were suddenly torn from the safety of the colony ship and stranded, light years from any known world. In a nearly crippled lifeboat, they had maybe one chance to find and land on a habitable world. With only each other to depend on, Sakura, Whips, and Sakura's family will have to avoid the deadly perils...

6.

"Surviving crash-landings and monsters and island-eaters was only the beginning! The Kimei family and the second group of castaways, led by Sergeant Campbell, had finally joined forces after both had been forced to land on the bizarre planet Lincoln, whose "continents" were huge floating coral colonies, inhabited by even stranger lifeforms. They had survived crash-landings and venom-filled bites and disease, their own despair, and even the destruction...