Quantum Gravity in a Nutshell1 Second Edition

This second edition to the bestselling Quantum Gravity in a Nutshell1 is a good introduction to quantum gravity and has a lot of interesting history about the development of the theory since 1899. It's an informal introduction to a very difficult and doubtfully intelligible theory.- doubted even by its most ingenious contributors. The reader should expect that he/she will have to concentrate hard ...