Let the Dead Keep Their Secrets is the third in Rosemary Simpson’s Gilded Age series. It’s on sale right now in both the US ($1.99) and UK (£1.63), and it’s discountable at Kobo.
Buy at Kindle US | Kobo US | Kindle UK
Also, Lies That Comfort and Betray, which is the second in the series, is on sale for $2.99/£2.45 in the US/UK, and also discountable at Kobo.
Buy at Kindle US | Kobo US | Kindle UK