Hermit on Mars Colonization Book 3

Sig is miserable at home. His mother's call from her threatened habitat sends him racing to save her. Just the adventure he needs.Sig's robots contribute to the colony's success, but his own life is falling apart. When his mother, living in a remote cavern with a group of malcontents, sends a plea for help, he's eager to solve her life-support problems. He knows more about technology than a bunch ...