The Time Traveler's Wife by Audrey Niffenegger. The story of Henry, a time-traveler who has no control over when and where he disappears through time, and Clare, his wife. The time travel aspect adds an interesting twist to a really sweet love story.
Mariam is only fifteen when she is sent to Kabul to marry Rasheed. Nearly two decades later, a friendship grows between Mariam and a local teenager, Laila, as strong as the ties between mother and daughter.
The Kite Runner - Khaled Hosseini. Story of a boy Amir, from Afghanistan who needs to find his way in the world as he realizes that his own belief system is not that of his dominant culture. Set in Afghanistan and the United States.