Several books in the John the Lord Chamberlain series by Mary Reed and Eric Mayer are on sale in the US right now, all at $1.99 each, unless otherwise indicated. And they are also discountable at Kobo US. The sale titles are:
Four for a Boy (#4),
Five for Silver (#5),
Seven for a Secret (#7, $2.99, Kindle US only),
Ten for Dying (#10),
Murder in Megara (#11), and
An Empire for Ravens (#12, $2.99).
That’s too many links to do individually, so here are links to the series webpages:
Kindle US:
https://www.amazon.com/dp/B074CDRCF4...kindle_edition
Kobo US:
https://www.kobo.com/us/en/series/jo...lain-mysteries