The 8th Edition of Principles of Macroeconomics (by authors like N. Gregory Mankiw or the Cengage team including Robin Stonecash, Joshua Gans, Stephen King, etc.) is a foundational university textbook for introductory macroeconomics courses. These usually cover:

📌 Measuring national income (GDP)
📌 Inflation & unemployment
📌 Aggregate demand & supply
📌 Monetary and fiscal policy
📌 Economic growth & business cycles
📌 Open economy (trade & exchange rates)