Jen Minkman 
Shadow of Time: The Lost Years 

A young Navajo man goes on a vision quest to commune with the spirits and find out what his life path should be. Little does he know that his meeting with the Bear, his spirit guide, will change him for good and turn his life upside down. In fact, life has more years in store for him than he could have ever imagined…This is a companion novella to the Shadow of Time duology. Do not read if you haven’t read the previous two books!