Rueful Death (China Bayles Series #5) in Bloomington, MN

Herbalist China Bayles must solve a mother of a murder in this mystery from
New York Times
bestselling author Susan Wittig Albert.
In search of respite, China takes off to St. Theresa's Monastery with her friend Maggie, a former nun. The goal is a brief, tranquil retreat—but there's a conflict at the convent. The mother superior has recently died, and a battle over the future of St. Theresa's suggests that her sudden demise might not have been accidental. Now, China's quest for a replenished spirit takes second place to a more earthbound pursuit: catching a killer...