Pamela F. Service 
Alien Envoy 

Alien Agent Zack Gaither has spent his whole life on planet Earth. His assignment: to protect humans from the knowledge of life on other planets. Finally, the time is right, and Zack has the chance to help Earth join the Galactic Union. The only problem? A small army of alien thugs is set on keeping Earth out of the picture. And they’re planning to take Zack out in the process. Fortunately, Zack’s got a few old friends on his side. Together, they’re headed on an adventure that will take Zack off of Earth and across the galaxy. What will the future hold for this Alien Agent?