*Cypher is tricked by the mountain fairy Prince Frothbar the Clever into foiling an evil sorceress’s plans, and still doesn’t get
a kiss from him. The gremlin Prince Hex has been recruited by his father to represent the gremlins in the upcoming struggle against the Dark.
Meanwhile, extraterrestrials whose spacecraft
crash-landed on Earth a century or two ago discover that it’s being used to power the goblin army. Enraged, they decide to enslave Earth’s population. Hex and Cypher team up with human rebels (the technolutionaries) to fight the first battle against the Dark forces,
and attempt to destroy their doomsday device, the TJG-469.
Contains books 7-12.
*Source:http:gremlintrouble.com