I'm not sure if I fully understand the status of the Longmire books. I was understanding the series is over, but there is a new book -- not chronological, that tells some of the history of Longmire and Standing Bear. It is short, more in the tradition of the Christmas stories (and is set at this time), and I enjoyed it quite a bit
Tooth and Claw by Craig Johnson
https://www.penguinrandomhouse.com/b...craig-johnson/