"El Cuerpo Habla" is a comprehensive guide to understanding body language, written in a clear and accessible style. The book explores the various aspects of nonverbal communication, including:

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En lugar de buscar "signos de mentira", Navarro sugiere buscar desviaciones de la línea base (baseline) de una persona. Si alguien suele ser tímido y no hace contacto visual, evitar la mirada es su comportamiento normal. Pero si esa persona de repente te mira fijamente y se muestra agresiva, ese cambio es la señal. El libro entrena la capacidad de establecer esa "línea base" para detectar anomalías.

Before you can spot a "tell," you have to know how someone normally behaves in a relaxed state.

Some of the key takeaways from "El Cuerpo Habla" include: