It must be the season...
Santa Fe Flavors, by Anne Hillerman, who apparently was a restaurant critic before (and maybe while) continuing her father's Leaphorn/Chee/Manuelito series, has dropped to $1.99 at Kindle and Kobo US, and it's discountable at Kobo.
cross-post link to the Mystery thread:
https://www.mobileread.com/forums/sh....php?p=4095656