Immigrant Stories Challenge at Books In The City. Colleen even gives you some book ideas and Goodreads has pages of ideas.
Books I'm also considering are:
Beautiful Maria of My Soul by Oscar Hijuelos
Interpreter of Maladies by Jhumpa Lahiri
Cutting For Stone by Abraham Verghese
Extremely Loud & Incredibly Close by Jonathan Safran Foer
The Given Day by Dennis Lehane
Heyday by Kurt Anderson
Which of these should I definitely read? There are several books that were big hits in 2013 that I will likely pick up in the next few months that will also qualify but I want to focus, for now, on what I already own.