Alejandro G. Iñárritu may be currently shooting his latest starry big screen spectacle, an as-yet-untitled film for Warner Bros. led by Tom Cruise, but the Oscar-winning director is also delving back into his filmmaking past.

In a new book, Iñárritu will explore the production of his debut feature “Amores Perros,” the critically acclaimed crime thriller that first bowed in 2000 in Cannes, would be nominated for an Academy Award and — perhaps most importantly — heralded the arrival of a new master of modern cinema.

Published by Mack on the 25th anniversary of “Amores Perros'” release, the book — also entitled “Amores Perros” — features unseen on-set photography, storyboards and stills from the making-of by storyboard artist Fernando Llanos, Iñárritu’s handwritten notes and scene breakdowns. Meanwhile, alongside a new text by Iñárritu himself, it will include contributions by director Walter Salles (whose “I’m Still Here” recently won the Oscar for international film), award-winning novelists Jorge Volpi and Wendy Guerra,...