What‘s the best Business book you‘ve read that is not on any Bestseller list?

I will go first.

• Fountainhead by Ayn Rand (Business, finding meaning in Life)
• Everything you want by Derek Sivers (Business, what really matters in Business)
• Million Dollar Weekend by Noah Kagan (Business, what really matters when starting a business)
• The cold start Problem by Andrew Chen (Business, how to build a marketplace)