In short, it is a block periodization scheme. You do 4 weeks phases of 10,8,5,3 reps on the core lifts. Each phase is broken up into acculumulation, intensification, realization. It is basic high volume/low intensity like several sets of 10 working up to one set of max reps in the last week.
So in a 10s phase, you do like 5 sets of 10 in week 1, less sets but heavier in week 2, then in week 3 you work up to a set of max reps. The last week is a deload. If you do over 10 in your realization week, which you should because you start light, you use your reps over goal to calculate a new max used to adjust the loads for the next phase.
I think it is an interesting program and I started doing it a bit ago. I didn't feel like waiting forever to get into heavier weights though so I scrapped it for something else.
You should adjust pretty quick to challenging loads as you adjust your training loads every 4 weeks, so even if you start light by the 5's phase, I'm thinking you should be hitting a max set between 5-10 reps which is a good workout, however it will take 12 weeks to work up to it.
I have a spreadsheet with everything programmed real nice and it will adjust your loads based on your acheived reps in your realization phase on google docs that is public. You may be able to find it but I'm not going to post the link because it give away the program that is honestly worth the $20.