As evening approaches, I realize I need to find a tree to sleep in. The thought of climbing fifteen feet with my injured leg makes me want to cry, but I don’t have a choice. The ground isn’t safe at night.

I find a suitable oak with low-hanging branches and stare up at it like it’s Mount Everest.

“Okay, Luna. Time for the fun part.”

She leaps gracefully from branch to branch while I struggle with the first handholds. My left leg screams in protest as I haul myself up, and by the time I reach a suitable sleeping spot, I’m dizzy with pain and exhaustion.

“Made it,” I pant,...