Liliana's Invincible Summer: A Sister's Search for Justice is a 2023 book by Cristina Rivera Garza, published by Penguin Random House. In the book, Rivera Garza paints a portrait of her sister, Liliana, who was murdered in 1990 Mexico by her ex-boyfriend. The suspected murderer fled and was never brought to justice. Rivera Garza attempts to obtain the police files regarding the murder, interviews Liliana's friends, family members, and reads her letters and personal writings in order to depict her sister's life and her loss. The book also discusses the feminism movement in Mexico and intimate partner violence as a societal issue.