Pamela F. Service
Author
Series
Alien agent volume 05
Summary
Zach, a human boy who is actually an extraterrestrial agent for the Galactic Union, travels to California's Lassen Volcanic National Park on a dangerous mission to save the Earth from evil aliens known as the Syndicate.
Author
Series
Alien agent volume 1
Summary
While at a resort on a vacation trip his uncle won, Zack begins wondering if his cousin has been telling the truth for years--that he really is an alien prince sent to Earth for protection, and who is now being chased by enemy aliens disguised as bald, fat men.
3) Camp alien
Author
Series
Alien agent volume 2
Summary
Young alien agent Zack, surly Galactic Patrol Cadet Vraj, and shy human camper Opal team up to find some Duthwi eggs before they hatch and cause a planetwide disaster, while the Gnairt who were smuggling the eggs try to retrieve them.
Author
Series
Summary
Josh Higgins loves to make up stories about other planets. At least he thought he was making them up. After Josh publishes his first book, sinister blue aliens visit Earth! Josh quickly learns that the worlds he wrote about in his stories are way too real.
The outer space thugs take Josh and his kid sister Maggie all the way to the desert planet Yastol. And when Josh and Maggie refuse to aid the blue guys, a chase begins across Yastol's harsh...
7) Alien envoy
Author
Series
Alien agent volume 6
Summary
Agent Sorn picks Zack up from Earth and together they seek other aliens who can speak in support of inviting that planet to join the Galactic Union, while the Gnairt and the Kiapa Kapa Syndicate try to stop them.