Buffett's Complete Collection of Investment Studies (Platinum Edition)

This book summarizes Buffett's 40 years of investment experience; explains in detail Drucker's management philosophy and methods; summarizes Kotler's decades of marketing experience; includes all the essence of Carnegie's art of eloquence, and systematically elaborates on Carnegie's eloquence. It also comprehensively introduces the specific application of Carnegie's art of eloquence in daily communication, sales promotion, negotiation, speech and so on.