I Am the Cheese Also by Robert Cormier, this coming of age novel explores some of the same themes as The Chocolate War (the search for identity, feelings of isolation, family dynamics, fear and suffering) and is likely to appeal to your students, too. Could be a good independent reading option. Compare and contrast essay, anyone?
The Love Song of J. Alfred Prufrock This poem by T.S. Eliot is the source for the quote on Jerry's poster: "Do I dare disturb the universe?" Here you'll find access to the full poem as well as analysis and study questions.