below is an offer from Mintamil egroup on the eve of their 8th aniv function, refer earlier mail - Our Dhivakar sir being honored, they are offerring free pdf downloads of some rare books.
All are tamil books, the current one under mention is Kulotunga ! by Sadasiva Pandaarathar You can download this and many rare books for free till 30th.
Please also attend the event and offer your support