The Collector — Rhett C. Bruno

Wise-cracking, corporate bounty hunter Malcolm Graves has a knack for finding trouble. After twenty years working for Pervenio Corp chasing bounties and extinguishing rebellions throughout the solar system, he is on a routine pickup job hunting a wealthy offworlder heir who ran away from home. But when a mad scientist gets his hands on the boy, Malcolm finds himself caught up in a twisted plot to develop working androids.

In this prequel novella to Rhett C. Bruno's Titanborn Series, join Malcolm on a mission gone awry.

The Titanborn Series of Novels in Chronological Order:

Book 0: The Collector (amazon.com/dp/B071RHF6Q7)
Book 1: Titanborn (amazon.com/dp/B018CHA2RI) 
Book 2: From Ice to Ashes (amazon.com/dp/B01M3WP9N4)
Book 3: Titan'sWrath (amazon.com/dp/B077ZC9L7L)
 
*Each book is designed to stand alone without having read the others.