The Missing Girl by Norma Fox Mazer
In Mallory, New York, as five sisters, aged eleven to seventeen, deal with assorted problems, conflicts, fears, and yearnings, a mysterious middle-aged man watches them, fascinated, deciding which one he likes the best.
The Dangerous Days of Daniel X by James Patterson and Michael LedwidgeFifteen-year-old Daniel has followed in his parents' footsteps as the Alien Hunter, exterminating beings on The List of Alien Outlaws on Terra Firma, but when he faces his first of the top ten outlaws, the very existence Earth and another planet are at stake. The author, James Patterson, has an amazing website called READ KIDDO READ. Check it out, click on the Great Advanced Reads for 10 and Over.
