King, A. (2012). Ask the passengers: A novel. New York: Little, Brown.

Astrid feels like an outcast in her own family.  Her mother is unreliable and favors her little sister.  Her father spends too much time smoking pot to be dependable.  Astrid has 2 friends who are gay but feel they have to hide it in their small conservative town.
Astrid herself believes she may be gay. She has feelings for a girl, but questions whether they are real or not.  Feeling she has no one to confide in, she sends messages to the passengers of airplanes who fly over her backyard. Little does she know that her messages of love do make an effect on some of the passengers.  This is good book for ages high school and above.  So many students are struggling with the same issues, whether it be feeling alone and isolated or 
questioning their sexuality.