I'll start.
1. Startups
Losing My Virginity: How I Survived, Had Fun, and Made a Fortune Doing Business My Way - Richard Branson
2. Business
Good to Great: Why Some Companies Make the Leap...And Others Don't - Jim Collins
3. Market
Blue Ocean Strategy, Expanded Edition: How to Create Uncontested Market Space and Make the Competition Irrelevant - W. Chan Kim, Renee Mauborgne.
4. Team
Built to Last: Successful Habits of Visionary Companies - Jim Collins
5. Marketing
Positioning: The Battle for Your Mind - Jack Trout
The Alchemist by Paulo Coelho really changed my perspective on pursuing your dreams and finding your purpose. Highly recommend it for an inspirational and thought-provoking read!