Leadership advice is domain-specific more than most genres admit. A Silicon Valley CEO's playbook isn't a battalion commander's. The twenty-four below cover a wide surface area on purpose — so you can see how the same principles recur across domains, and where they diverge.

Classic leadership (6)

1. The Effective Executive — Peter Drucker
2. Good to Great — Jim Collins
3. Leaders Eat Last — Simon Sinek
4. The 7 Habits of Highly Effective People — Stephen Covey
5. Built to Last — Collins & Porras
6. Execution — Bossidy & Charan

Startup / tech (5)

7. The Hard Thing About Hard Things — Ben Horowitz
8. High Output Management — Andy Grove
9. Measure What Matters — John Doerr
10. Radical Candor — Kim Scott
11. Trillion Dollar Coach — Schmidt, Rosenberg & Eagle

Military & history (4)

12. Team of Teams — Stanley McChrystal
13. The Art of War — Sun Tzu
14. Extreme Ownership — Jocko Willink
15. Turn the Ship Around! — L. David Marquet

Psychology / people (4)

16. Drive — Daniel Pink
17. Dare to Lead — Brené Brown
18. The Five Dysfunctions of a Team — Patrick Lencioni
19. Start with Why — Simon Sinek

Philosophy & character (5)

20. Meditations — Marcus Aurelius
21. Letters from a Stoic — Seneca
22. The Obstacle Is the Way — Ryan Holiday
23. Ego Is the Enemy — Ryan Holiday
24. Man's Search for Meaning — Viktor Frankl

Twenty-four is a lifetime list. Read one per quarter; by the end of a decade you've covered most of what has actually been written about leadership that holds up. Skip the airport hardcovers that don't appear above.