
Leonard Susskind is an American physicist. Susskind is widely regarded as one of the fathers of string theory. He is the author of several popular science books. *-- Wikipedia*

What Are You Optimistic About?
2007
ISBN 9781847371003
The Cosmic Landscape
2005
ISBN 9786058111103
Classical Mechanics (Physics)
2013
ISBN 9788875786168
Quantum Mechanics
2014
ISBN 9780241003442