Found in 2 comments on Hacker News
Maro · 2013-07-07 · Original thread
I scanned it and I think it's awesome. I'll go back to it later probably.

Having said that I wouldn't recommend anyone to read this. Instead, there's this awesome gem, which I have read multiple times. Don't believe anyone who says it's outdated and you shouldn't read it.

P.A.M. Dirac: The Principles of Quantum Mechanics

http://www.amazon.com/Principles-Quantum-Mechanics-Internati...

Maro · 2010-06-04 · Original thread
Check out Dirac's classic 'The Principles of Quantum Mechanics':

http://www.amazon.com/Principles-Quantum-Mechanics-Internati...

I was shocked how much clearer (and more useful) the exposition is compared to textbooks.

Fresh book recommendations delivered straight to your inbox every Thursday.