Read Math Overflow.
Whereas it is actually not quite a textbook, it is becoming a very popular reference. In recent talks it was even used as the almost exclusively!
And indeed, there are a lot of high quality 'articles', and often you can find alternative approaches to a theory or a problem, which are more suitable for you. In addition, you can actually ask questions (a feature thoroughly missed in e.g. Hartshorne's book).
