The simple answer is that everything is possible - you can start with an overview of the whole thing and then go more deeply on to single units: or you can start with coverage in depth of the aspect which is most attractive for visitors.
The delight of 'digital' publishing on the World-Wide Web - compared with traditional paper publishing - is that for one thing there are essentially no capital costs for distribution, and for another that you can bring your pages up to date between one moment to the next.