[sufue]

A couple of price drops to $1.99 each on books pubbed by Hard Case Crime...

The Count of 9 is a bit more than half-way through Erle Stanley Gardner's somewhat lesser known Bertha Cool/Donald Lam series (originally pub using pen name AA Fair)
Kindle US: https://www.amazon.com/dp/B079DBDNBM
Kobo US: https://www.kobo.com/us/en/ebook/the-count-of-9

Spoiler:

From the world-famous creator of "Perry Mason," Erle Stanley Gardner comes another baffling case for the Cool & Lam detective agency

Erle Stanley Gardner was not just the creator of PERRY MASON - at the time of his death, he was the best-selling American author of all time, with hundreds of millions of books in print, including the 29 cases of the brash, irresistible detective team of Bertha Cool and Donald Lam. Gardner was also one of the most ingenious plot-spinners in the field, coming up with stunning twists and reveals... and THE COUNT OF 9 is Gardner at his twistiest.

Hired to protect the treasures of a globe-trotting adventurer, Bertha and Donald confront an impossible crime: how could anything be smuggled out of a dinner party - least of all a 6-foot-long blowgun - when the guests were X-rayed coming and going? But that's nothing compared to the crime they face next: AN IMPOSSIBLE MURDER...

The Comedy is Finished, a posthumously published non-series title by Donald E Westlake (SYKM says it was written sometime before 1983)
Kindle US: https://www.amazon.com/dp/B00541AVRM
Kobo US: https://www.kobo.com/us/en/ebook/the-comedy-is-finished

Spoiler:

BUT SERIOUSLY, FOLKS.

The year is 1977, and America is finally getting over the nightmares of Watergate and Vietnam and the national hangover that was the 1960s. But not everyone is ready to let it go.

Not aging comedian Koo Davis, friend to generals and presidents and veteran of countless USO tours to buck up American troops in the field. And not the five remaining members of the self-proclaimed People's Revolutionary Army, who've decided that kidnapping Koo Davis would be the perfect way to bring their cause back to life...

The final, previously unpublished novel from the legendary Donald Westlake!