#11 in the Ruth Galloway series is The Stone Circle (2019).

The best of the bunch I’ve read, so far.

Ruth is a forensic archaeologist in the U.K.

What separates these books from other murder mysteries is the back story of Ruth’s complicated personal life in a small town.

The father of her child — DCI Harry Nelson — is married to someone else.

Nearly a decade ago, Harry was the recipient of some anonymous letters that hampered his search for two missing girls.

The writer of those letters, archaeologist Erik Anderssen, is dead.

But now Harry and then Ruth, receive similar letters, exhorting them to “rescue the innocent buried” in the stone circle. …