Rudin is a good reference book. It's not good to learn from, but if you're looking for the authoritatively _best_ proof, that cuts right to the heart of the pro

Rudin is a good reference book. It's not good to learn from, but if you're looking for the authoritatively _best_ proof, that cuts right to the heart of the problem, then Rudin is great. It's not good for self study, but I used it as a supplement to a real analysis course I was taking at the time, and I appreciated the terseness and dryness. My lecturer went into the details, so it was good to have a terse book to remind me of lecture content when doing assignments and studying for exams.