Crime and Punishment by Fyodor Dostoyevsky. (summer reading)
Einstein's Universe by Nigel Calder (explaining Einstein's theories of general and special relativity)
The Elegant Universe by Brian Greene (superstring theory)
An Introduction to St. Thomas Aquinas: A Summary of the Summa Theologica and the Summa Contra Gentiles by Anton C. Pegis (just because...idk...I find Thomas Aquinas' life and works interesting)
That's all. Just a bit of light reading.