- Quietly Stoic: A Social Survival Guide for Introverts, Inspired by Ancient Philosophy
- The Age of Mess-Information: How the Attention Economy Got Us into a Mess
- The Quiet Seller: How Introverts Master Sales and Influence
- Better Questions: Master the Art of Asking for Deeper Impact
- The Stoic Seller: Navigating the Complexities of Sales with Calm and Purpose

















