This document provides an overview of the five sections of the book "Radical Markets" by Eric Posner and E. Glen Weyl. It summarizes each section in 1-2 sentences: 1) Why Radical Markets? - Proposes new ideas to address stagnation and the crisis of the liberal order. 2) Property is Monopoly - Introduces a tax on private wealth that is paid out as a social dividend. 3) Radical Democracy - Proposes a quadratic voting system to protect political minorities. 4) Uniting the World's Workers - Suggests a visa program between individuals in rich and poor countries. 5) Dismembering the Octopus - Proposes limiting corporate diversification to increase