And Four to Go is a collection of four long-ish short stories/novellas in the Nero Wolfe/Archie Goodwin series by Rex Stout. It has dropped to $1.99 at Kindle and Kobo US.
Kindle US:
https://www.amazon.com/Four-Nero-Wol...dp/B003V4BPOC/
Kobo US:
https://www.kobo.com/us/en/ebook/and-four-to-go