[youtube https://www.youtube.com/watch?v=OqtfvMB7hLE&w=400&h=225]

Skidelsky has written introductory works on Keynes’ economics:

Skidelsky, R. J. A. 2010. Keynes: The Return of the Master (rev. and updated edn.). Penguin, London.
Skidelsky, Robert. 2011. “The Relevance of Keynes,” January 17
http://www.skidelskyr.com/site/article/the-relevance-of-keynes/

See also Skidelsky’s three-volume biography of Keynes:

Skidelsky, R. J. A. 1983. John Maynard Keynes: Hopes Betrayed 1883–1920 (vol. 1). Macmillan, London.
Skidelsky, R. J. A. 1992. John Maynard Keynes: The Economist as Saviour 1920–1937 (vol. 2). Macmillan, London.
Skidelsky, R. J. A. 2000. John Maynard Keynes: Fighting for Britain 1937–1946 (vol. 3), Macmillan, London.