Sin fronteras: Inclusive Spanish Grammar Guidebook

Liana Stepanyan is professor (teaching) of Spanish and coordinator of Spanish III, at the University of Southern California. Her research focuses on second-language acquisition, non-binary language, and the inclusion of primary sources in courses. 

María Mercedes Fages Agudo is master lecturer and coordinator of Spanish II at the University of Southern California. Fages Agudo is also the director of Feliz en la Comunidad, a service-learning program.

Carolina Castillo Larrea is associate professor (teaching) of Spanish at the University of Southern California. Her main focus is language acquisition and teaching methodology. 

Goretti Prieto Botana is the director of the Spanish language program at the University of Southern California. Her research interests include grammar-related learnability issues, explicit forms of instruction, and task-essentialness.