Bøger i The Area 51 Files serien

"When Sky's grandmother is kidnapped, Sky discovers her secret life as an undercover FBAI agent, and embarks on a mission filled with puzzles, codes, and risky adventures to save her"--

"Sky Patel-Baum, Area 51's latest arrival, thought she had finally figured out her strange new home. Sure, there are aliens everywhere, and her new BFF Elvis is from the planet Galzoria. True, she just witnessed her first UFO landing. But these special visitors aren't dropping by this planet for funsies.... Nope, they're here with a warning: Area 51 is in danger! A hunk of space junk is headed right for the base! And it's not just any hunk of junk--it's a giant toilet!"--