The great book for you is the book that has the most to say to you at the moment when you are reading. I do not mean the book that is most instructive, but the book that feeds your spirit. And that depends on your age, your experience, your psychological and spiritual need.
I could prove God statistically. Take the human body alone - the chances that all the functions of an individual would just happen is a statistical monstrosity.
There's no more important bonding thing than a mother doing the daughter's hair. We sit at our mother's knee and learn who we are.