Worth a look
Solid, if a bit predictable in places. Would recommend with mild reservations.

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by Agatha Christie
In the remote Cornish village of Folbridge, a Belgian refugee nun named Sister Marie Angelique harbors a terrifying secret from the start of the Great War. While a skeptical doctor attempts to probe her psyche using crystal gazing and word association, a visiting witness learns of a 'miracle' that leveled a convent and left the scorched silhouette of a giant hound. As the doctor uncovers fragments of an ancient, destructive power known as the 'Sixth Sign,' the line between medical hallucination and supernatural reality begins to blur.
Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold over a billion copies in English and another billion in a hundred foreign languages.
4.0
Based on 2 verified reviews
Solid, if a bit predictable in places. Would recommend with mild reservations.
I keep coming back to a few passages. Worth far more than what I paid.