Nervous, tips for preparing? (Real Analysis, Probability, etc)

I am planning to take the following classes next semester (beginning in January): Intro to Real Analysis I, Intro to Probability, Algorithms (CS class), Scientific Computing (CS class).

I'm fairly anxious since this seems like a pretty ambitious schedule to me. I will also be working 20 hours a week as a TA for the CS department. I get the impression that Real Analysis especially is going to try to chew me up and spit me out. I want to prevent that if I can.

I have access to the text that we will be using for analysis next semester. It's an online text written by a member of my school's faculty. Here is a link for the curious. I have also already purchased my textbooks for probability and algorithms.

My background in math is that I am finishing my third semester of calc right now. I have also taken a discrete math class through my CS department. Aside from that, I have some familiarity with probability and logic, but nothing substantial.

The question is, what, aside from reading the textbooks and doing any exercises therein, can I do before the semester starts in order to prepare? Like I said, the real analysis class is the class that scares me the most. Any strategies for approaching this material for the first time that anybody can offer?

Thanks.