Giveaway Millions of Free eBook Novels

I'm looking to give away millions of two free eBook novels. The giveaway is to help readers become acquainted with the author. The two ebooks to be given away are part of a series where one story leads to the next. Five novels in the series have been completed and there are more to come. The assumption is that people will become engaged with the stories and author, and will purchase the remaining books in the series. We want as many people as possible to know about this offer and to obtain the free ebooks. Preferably the free ebooks should go to people who like to read action/thriller fiction and have eReaders, such as the Kindle and Nook, or be able to read them on their PC or Tablet. The ebooks are available in standard ebook formats, easily readable by most eReaders or ebook reading software. The novels are action/thrillers and currently the ebooks are offered for free off the author's website. The author has written additional novels not part of the series, and in all his books there are underlying themes of worldview and culture. Until now, the main marketing idea is to encourage readers to go to the author's website, to download the novels and thereby become acquainted with the author. Ads are currently being run on Facebook. If you have a better idea for getting the free eBooks into the hands of masses of potential readers then I am open to suggestions. This could be by driving viewers to the author's website or other internet marketing means. Please submit your proposal, including how this could be measured. If you don't believe it is feasible to giveaway millions of free ebooks, then let me know what is achievable.