chegra

Bible - First class book in teaching how to behave towards others, especially proverbs.

Tao Te Ching - For this two verse you should read it:

Along with the The prince this book was required reading by all former statesmen.

Rich Dad Poor Dad: Guide to Investing - Robert Kiyoski

Cyropaedia - "Along with the The prince this book was required reading by all former statesmen."

The Mystery Method - Erik Von Markovik[Social Engineering at its best]

The Thoughtworks Anthology: Essays on Software Technology and Innovation (Pragmatic Programmers)

I will go with Wanting by Luke Burgis.