Religious ones help. Especially the parts About regulating and observing your own emotions. Bhagwad Gita was helpful to me as a Hindu.

Deliberate Calm is another one that helped understand on a more scientific level now our emotions are created and how that leads to our behavior.

"What You Can Change and What You Can't" by Martin Seligman

Warriors and Worriers (Benenson)

The Prince (Machiavelli)

Beyond Good And Evil (Nietzche)

A History of Western Philosophy (Russel)

The Fourth Turning (Strauss, Howe)

Also, Discourses on the First Decade of Titus Livius (Machiavelli) is a fascinating read on human political machinations (albeit fairly slanted by Machiavelli's personal views)

Gödel Escher Bach.