: The book explores how the term "femicide" didn't exist in the Mexican legal system in 1990. The author argues that the lack of appropriate language contributed to the impunity of the crime and the societal tendency to blame the victim.

: How do societal expectations of romance and "passion" mask the warning signs of domestic abuse?

: The narrative is built around the "archives" Liliana left behind—handwritten notes, school assignments, and letters. This creates an intimate, collaborative biography between the living sister and the deceased one.