Ghostly Amethyst Shadows

After finding letters from her father in an old box in her mother's house, Libby is determined to look into his untimely death.

With her loyal Labrador, Shadow, and a close-knit circle of friends, Libby dives into a high-stakes investigation that stretches from corrupt boardrooms to desolate mountain trails. As mysterious forces close in, a long-lost truth emerges, and Libby finds herself facing more danger than she could have imagined.

When a mountain hike reveals a hidden amethyst mine-and ...