Introduction to general relativity

[Silviu]

Hello! What book should I use as an introduction to General Relativity? Something that includes an introduction of the math behind GR (tensors for example) would be much appreciated.
Thank you!

 

[robphy]

Have you looked through https://www.google.com/search?q=site:physicsforums.com+general+relativity+book ?
(See also the similar discussions listed at the bottom of the page.)

 

[smodak]

Hartle -a wonderful book.

A review of the book is here.