The book documents the rise of shareholder activism over nearly a century, showing how investors have increasingly asserted their influence over corporate decisions, challenging management practices and advocating for changes that align with their interests.

The book features letters from prominent figures like Warren Buffett and Carl Icahn, providing rare insights into their strategies and thought processes, showing how their actions led to significant changes in corporate governance and strategy.

Jeff Gramm presents a balanced view of shareholder activism, showing how it can lead to improved corporate performance and accountability while also potentially resulting in short-termism and conflicts of interest.