Song of the Lion is the third and most recent in Anne Hillerman's continuation of her father's Leaphorn/Chee/Manuelito series. It briefly (like for a day) dropped to $2.99 back in June. It has now dropped to $1.99 at both Kindle and Kobo US, no idea for how long.
Info and links in this previous post:
https://www.mobileread.com/forums/sh....php?p=3543324