A Fatal Lie is the 23rd and most recent (2021) in the Inspector Ian Rutledge series by Charles Todd – at least until the new one, A Game of Fear, comes out early next year. It has dropped to $2.99 as part of today’s Kindle US Daily Deal, matched at Kobo US.
A Game of Fear is the 24th and most recent (2022) Ian Rutledge book. It has dropped to $2.99 today in the US.
Kindle US: https://www.amazon.com/dp/B0953M4P19
Kobo US: https://www.kobo.com/us/en/ebook/a-game-of-fear
The Black Ascot is the twenty-first in the Ian Rutledge series. It’s $1.99 right now in the US.
Kindle US: https://www.amazon.com/dp/B079DQDSS4
Kobo US: https://www.kobo.com/us/en/ebook/the-black-ascot
A Fatal Lie is $2.99 again in the US, and the links in the OP are still good. Oh yeah, and it’s now the next-to-most-recent, not the most recent!
Wings of Fire is the second Ian Rutledge book. It’s $2.99 right now in the US…
Kindle US: https://www.amazon.com/dp/B003H4I5P8
Kobo US: https://www.kobo.com/us/en/ebook/wings-of-fire-1
A Matter of Justice is the eleventh book in Charles Todd’s Ian Rutledge series. It’s on sale in the US right now for $1.99.
Kindle US: https://www.amazon.com/dp/B001NLKSZC
Kobo US: https://www.kobo.com/us/en/ebook/a-matter-of-justice