FRM Quant is too difficult for me

I am having an incredibly hard time with the Quant. sessions. First, my statistic is very rusty and almost nonexistent since I have barely used it after college. But am I the only one who thinks that Miller really over-condensed his material? I wonder if there is any book that I could read before I jump into the Quant. material so I can have better understanding about them?

I address exactly this problem in my program. Sign up for a trial.