Aoléon the Martian girl. Part four, Illegal aliens
(Book)

"Aoléon and Gilbert have become the Luminon's top priority in stopping the Martian resistance movement. After being chased by the Royal Paladin Guard, they are forced to flee the Martian Megalopolis. Aoléon, Gilbert and Zoot escape with the help of Bizwat and his newly found friend, Helios, a first-generation soldierbot. After their saucer is destroyed, they crash land somewhere in the deep Martian desert. They set out to locate Kyrios and the secret base where Aoléon's parents are being held captive. After battling the forces of nature, starvation, a Klyklon dust storm, (not to mention a giant slor that almost swallows them alive), they finally make it to their destination. However, after Kyrios gives Gilbert some basic training to develop his budding psionic power, they learn that their journey is far from over. Will Aoléon, Glbert, Bizwat, Helios, and Zoot be able to rescue Aoléon's parents and stop the Martian invasion of Earth in time?" --,Amazon.com.