This influential economic book presents a groundbreaking theory that argues for free market economies. The author posits that individuals acting in their own self-interest within a system of natural liberty will result in societal benefit, a concept often referred to as the "invisible hand" theory. The book also critiques mercantilism and explores concepts such as the division of labor, productivity, and free markets. It is widely considered one of the foundational texts in the field of economics.

This book is a compilation of six essays that delve into the ideological and practical facets of communism. Each study examines different aspects of communist theory and practice, from its origins and evolution to its implementation in various countries. The authors critically analyze the successes and failures of communist systems, exploring the impact on societies that have adopted these principles. The essays also consider the psychological and sociological effects of living under communist regimes, providing a multifaceted perspective on one of the most influential political ideologies of the 20th century.

This collection of essays by the philosopher explores a range of topics across ethics, politics, and aesthetics. Written in a clear, conversational style, the essays examine human nature, the workings of government, economic theories, and the merits of refined taste, among other subjects. The author employs a skeptical approach to question traditional doctrines and suggests that politics and morals should be grounded in empirical observations of the world. The work reflects the Enlightenment spirit of rational inquiry and has been influential in the development of modern political philosophy and economic thought.