At the time of writing Chronicles lies 24th in the US and 15th in the UK free anthology sections.
The only real honour left for Mark to claim is if he gets somewhere in the Smart Book Awards currently being judged by MENSA qualified people.
I did the free weekend to see if there was any interest in the chance of sales for further books in the series. My views on these FREE weekends has only been re-enforced with Chronicles struggling to reach 100 freebies despite being an award winner. This also re-enforces another opinion of mine. If you get a BIG NAME to endorse your book it will sell. But then, what is selling? Your writing or their name?