This list is in no particular order.
Hard Thing About Hard Things by Ben Horowitz
The Everything Store by Brad Store
Who Is Michael Ovitz? by Michael Ovitz
Mountains Beyond Mountains by Tracy Kidder
Shoe Dog by Phil Knight
Ogilvy on Advertising by David Ogilvy
Justice by Michael Sandel
The Power of Now by Eckhart Tolle
Loving What Is by Byron Katie
The War of Art by Steven Pressfield
Big Magic by Elizabeth Gilbert
Man's Search for Meaning by Viktor Frankl
The Artist's Way by Julia Cameron
Bird By Bird by Anne Lamott
Outrageous Openness by Tosha Silver
The Alchemist by Paolo Coelho
Existential Kink by Carolyn Elliot