 The earlier catalogue of the series is also republished in these editions, again beginning October 2012 with the series-opening novel trilogy.Several novels in "The Horus Heresy" series have appeared in UK and US science fiction charts, have occupied high positions in Nielsen BookScan genre lists, and since early 2010 have often charted in The New York Times Bestseller List for mass-market paperbacks.Critical reception of individual titles has been mixed, yet the general tone of reviews has been mostly positive.