A huge number of titles in a bunch of series (Poor Relation, House for the Season, School for Manners, Six Sisters, Regency Intrigue, Traveling Matchmaker, possibly some others) by M.C. Beaton have dropped to $1.99 at Kindle US. There are too many to list, but here is a link for all (plus a stray Kindle Single):
https://www.amazon.com/gp/search/?se...price-asc-rank