Give me a bulleted list of 3 books Thomas Sowell has written and what they are about. 
 The following are the names and overviews of three books Thomas Sowell has written:
- Knowledge and Decisions: This book discusses the differences between market and government processes
- The Vision of the Anointed: This book compares conservative and liberal worldviews
- A Conflict of Visions: This book reviews the origins of political strife