[1] https://www.amazon.com/Gödels-Proof-Ernest-Nagel/dp/08147583...
[1] https://www.amazon.com/G%C3%B6dels-Proof-Ernest-Nagel/dp/081...
Edit : removed a line
[0] https://www.amazon.com/G%C3%B6dels-Proof-Ernest-Nagel/dp/081...
[1] https://www.amazon.com/G%C3%B6del-Escher-Bach-Eternal-Golden...
It's only 160 pages and gives what seems to be a good explanation of the basics.
[1] https://www.amazon.com/Gödels-Proof-Ernest-Nagel/dp/08147583...