Twenty sci-fi & fantasy books with a message of social justice

At the B&N Sci-Fi & Fantasy Blog Joel Cunningham tagged "20 novels that incorporate themes of social justice into stories that still deliver the goods—compelling plots, characters you’ll fall in love with, ideas that will expand your mind." One title on the list:Iron Council, by China Miéville

Miéville is a member of the International Socialist Organization and wrote his doctoral thesis on