Understanding and Teaching Reflexive Sentences in Spanish provides a fresh, simpler, and novel approach to understanding and teaching the use of the intransitivizing se.
Luis Gonzalez Palma Livres
The Fundamentally Simple Logic of Language: Learning a Second Language with the Tools of the Native Speaker presents a data-driven approach to understanding how native speakers do not use subject and direct object to process language.
Examining four dichotomies in Spanish, this book shows how to reduce the six to ten rules common in textbooks for each contrast to a single binary distinction. That distinction is a form of totality vs. part, easier to see in some of the dichotomies, but present in all of them.