What is the narrator point of view in the short-story collection, Lot?

Lot is a collection of loosely related short stories, half of which are narrated in first person by a young man named Nicolás, looking back on his childhood and young adult years, which he spent living in Houston with his family.

The other stories in the collection are narrated in third person limited or first person perspective, each focusing on a different protagonist living in the Houston area.