"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):
A respected speaker on creativity and self-fulfillment describes the inspiring potential of living in accordance with humanity's talents and passions, drawing on the examples of renowned cultural artists while making recommendations for transforming education, business, and communities. 40,000 first printing.