Which of these books would you recommend for LQG?

[cpsinkule]

They are both written by Rovelli, but I'm not sure which is better suited for the subject. My goal is to learn LQG in a rather complete fashion.
https://www.amazon.com/gp/product/0521715962/?tag=pfamazon01-20
https://www.amazon.com/dp/1107069629/?tag=pfamazon01-20

 

[Demystifier]

I would start with the first one, because it gives a wider perspective. Later you may also want to read the second one, because it presents more recent results. But both books are good, so you will not make a mistake by choosing any of them.

 

[cpsinkule]

I would start with the first one, because it gives a wider perspective. Later you may also want to read the second one, because it presents more recent results. But both books are good, so you will not make a mistake by choosing any of them.

If you had to pick between those two and Hawking\Gibbons "Euclidean Quantum Gravity" which two would you pick at this moment? I can only afford two and I'm not quite sure the best combination. I was, as well, leaning toward the first I listed along with Hawking\Gibbons

 

[Demystifier]

If you had to pick between those two and Hawking\Gibbons "Euclidean Quantum Gravity" which two would you pick at this moment? I can only afford two and I'm not quite sure the best combination. I was, as well, leaning toward the first I listed along with Hawking\Gibbons

Hawking/Gibbons is not really a book in the usual sense. It is a collection of not directly connected scientific papers previously published elsewhere. Also they are not about LQG. I would not recommend it.

If your goal is to learn LQG, perhaps the best start is Gambini/Pullin:
https://www.amazon.com/dp/0199590753/?tag=pfamazon01-20

 

[haushofer]

I'd go for the second one. It is well written and I found it more accesible (as a LQG-outsider) than the first one.

 

[Demystifier]

If you want a survey of various approaches to quantum gravity (not only LQG), I recommend Kiefer
https://www.amazon.com/dp/0199585202/?tag=pfamazon01-20