I am Shankar, currently living in the US. I used to be active in this group about 5-6 years ago, but have predominantly stayed silent for a very long time, simply listening to the conversations.
Today, it struck me that there is no wiki series of pages for Ponniyin Selvan. Now a days, there is a wikia collection of pages for almost everything in English. We could be the first to extend that concept to include Tamil literature as well. If there is interest in the group, I will be willing to initiate and take active part in the setting up process.
For those who don't know what wikia pages are: This is owned by Wikipedia, but very different from the basic wiki page. The concept is to create an encyclopedia relating to a particular theme. Following are a few examples of Wikia pages in several themes: