Woven into a powerful, visceral, and heartbreaking narrative, The Most Monstrous Word—Marlene Navarro Guevara’s debut novel—is a story about abuse and domestic violence, but also the chilling tale behind the unbreakable bond between two siblings. In a huge, suffocating house, Héctor, a boy barely navigating puberty, lives under the shadow of a monster: an abusive and unstable mother who punishes him and his brother Nicolás with disdain, wielding violence disguised as authority. Barely a specter, the father has become irrelevant, so Héctor dedicates a large part of his day to protecting his brother from this crushing maternal figure. When he meets Viri and Manu—two children who, like him, are victims of a hostile family environment—Héctor finds a haven from his nightmares. With his new friends, he takes refuge in an abandoned building where they escape at every opportunity and play like the children they couldn't be. But evil finds every crack to infiltrate, and for them, there is no possible hiding place…

• Author: Marlene Navarro
• Publisher: Planeta Publishing
• Publication date: October 28, 2025
• Format: Paperback
• ISBN: 9786073932103
• Ships directly from the distributor in 3 to 7 business days