Significados de first nonfiction en inglés

I still recall the very first nonfiction book I ever read: The Blue Nile by Alan Moorehead.

She is currently working on her first nonfiction book, and her latest essay, Selfie, has just been published in the online journal Matter.

Here is his first nonfiction book, on the city in which he spends the other nine months of his year, with his wife and daughter.