Aoléon The Martian Girl by Brent LeVasseur

— feeling happy
Aoleon The Martian Girl: Science Fiction Saga - Part 3 The Hollow Moon - Brent LeVasseur, Brent LeVasseur
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This is the most intriguing and exciting story in the series so far. Aoléon has a path laid out before her, and poor Gilbert is along for the ride. Being put into danger most of the book, and seeing how it will turn out, has me turning page after page. 
Now a new mystery happens involving Aoléon's parents and I'm left wondering what will happen next. It should be quite entertaining, to say the least.
Now onto part 4!!
 
Source: http://www.fredasvoice.com/2015/06/45-aoleon-martian-girl-part-3-brent.html