"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 full list is here):
What is the secret of talent? How do we unlock it? In this groundbreaking work, journalist and New York Times bestselling author Daniel Coyle provides parents, teachers, coaches, businesspeople—and everyone else—with tools they can use to maximize potential in themselves and others.