"Principles of Microeconomics" by N. Gregory Mankiw is a widely used textbook that introduces fundamental concepts of microeconomics. It covers topics such as supply and demand, market structures, consumer behavior, and the role of government in the economy. Mankiw's clear writing style and engaging examples help students delve into economic principles and their applications in real-world scenarios. The book emphasizes critical thinking and encourages readers to understand the ultimate implications of economic decisions on individuals and society.