The first book in this series if available for free from most ebook retailers. You can read the first chapter on this website by clicking the button below.
This series used to be a single volume under the title Zero. In 2016 it was split up into Zero Episode One and Zero Episode Two.
This series is complete.
Oatmeal is a bounty hunter; his favorite past times include getting into bar fights and finishing them. But when he's tasked to pick up a clumsy, annoying, awkward Earth-girl, hehas to give up his bar fights and concentrate on saving the galaxy.