The Last Stand Of Mary Good Crow By Rachel Aaro... Apr 2026

A Boston heiress and mining expert with a secret mission to restore her family’s legacy.

Set in 1876 Montana, the story replaces the traditional gold rush with a scramble for magical crystals found in the caves of Medicine Rocks. These crystals possess powerful, often dangerous properties: they can enhance weapons, cure diseases, or even allow communication with the dead. The Last Stand of Mary Good Crow by Rachel Aaro...

A half-Lakota guide who can "hear" the song of the crystals, allowing her to navigate the shifting, sentient caves that drive others mad. A Boston heiress and mining expert with a

The narrative follows an unlikely trio navigating this lawless frontier: A half-Lakota guide who can "hear" the song

by Rachel Aaron is an epic historical fantasy that reimagines the American Wild West during a magical "crystal rush." Published on June 1, 2022, it serves as the first installment in The Crystal Calamity series. Plot Overview

The Last Stand of Mary Good Crow: The Crystal Calamity, Book 1 - Audiobook by Rachel Aaron