Star Fighters: The Enemy's Lair by Max Chase (author) (UK edition)

Peri dreams of becoming a Star Fighter, one of the elite Intergalactic Force warriors helping to defend the Milky Way. But for the moment, he and his friends are still trapped far away from home. And to their horror, the Meigwors are proving to be an even bigger galactic menace than the Xion! To make matters worse, the Phoenix crew are in the impossible position of having to help the planet that attacked Earth and destroyed the Intergalactic Space Station, by returning their kidnapped prince. And how will they do that without endangering Selene, who stayed behind with the Meigwors and is still on their planet?