Author: David Tong.
Number of pages circa 2021: 155.
Some quotes self describing the work:
Perhaps for this reason Ciro Santilli was not able to get as much as he'd out of those notes either. This is not to say that the notes are bad, just not what Ciro needed, much like P&S:This is a very clear and comprehensive book, covering everything in this course at the right level. To a large extent, our course will follow the first section of this book.
In this course we will not discuss path integral methods, and focus instead on canonical quantization.