All the Crooked Saints by Maggie Stiefvater

A magical realism novel set in 1960s Colorado. It follows the Soria family, who can perform miracles that reveal people’s inner darkness—but cannot help them overcome it. When these miracles begin affecting the Sorias themselves, cousins Beatriz, Daniel, and Joaquin must confront their own struggles. The novel explores themes of self-acceptance, family, and redemption.