Online Textbooks in Advanced Macroeconomics

27-chapter, 418-page book published by LSE Press and available freely to read online or in epub and mobi formats. It is based on the authors' Masters course taught at Harvard Kennedy School. The content "introduces the tools of dynamic optimization in the context of economic growth, and then applies them to a wide range of policy questions". Supplementary materials include slides with all the book's equations in .tex format.