This is the 20th book -- final published -- in the Deborah Knott series. Thru yr 2015.
Looks like this title, Long Upon the Land, is the ending of the total series.
But keep in touch with Margaret Maron's info to see if more get published in the series.
Margaret Maron is the author of several other fiction series. Sigrid Harald, (detective, NYcity)
Margaret Maron has been a winner of SO many mystery fiction awards, mostly for the Agatha Awards. And, she's also been a most frequent nominee for winning fiction.
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Long Upon the Land