Anna Angulo Rivero was the proofreader and style editor of the texts in Spanish. She lived in Mexico City from 2001 to 2018, where she worked as editor, writer, and translator. After studying Modern English Literature in Mexico’s National University (UNAM), her thesis was awarded the best of her class. She lives in London and is currently studying a master’s in translation at Goldsmiths University. She has written various books, including Vidas sin fronteras: 51 historias para derribar muros (Alfaguara, 2018), Blancanieves en el metro (Mexico City Government, 2016), El mensaje está en el tejido (FONCA, 2016), and El misterio del lago olvidado (Ediciones Progreso, 2007), among others.