"What is the book that changed your life? (not novels or religious texts)"
I think it's a wonderful way to connect in a less superficial way and learn a little more about each other. It's also a wonderful way to discover new books worth reading.
This is one of them:
The Innovator's Dilemma: The Revolutionary Book That Will Change the Way You Do Business
Clayton M. Christensen
A thought-provoking analysis of the new business paradigm shows how firms that do "everything right" can nevertheless fail because of new technologies and disruptions in the market structure.