Eve Zyzik is Professor in the Department of Languages and Applied Linguistics at the University of California, Santa Cruz. She has published on a variety of topics related to second language acquisition and heritage language development, as well as issues related to language pedagogy in content-based courses. Her previous books include El espanol y la lingüística aplicada with Robert Blake and Authentic Materials Myths: Applying Second Language Research to Classroom Teaching with Charlene Polio. Her textbook Vivencias: Lengua, cultura y sociedad a través de relatos sonoros is designed for advanced-level Spanish courses that enroll both heritage speakers and second language learners. Melissa A. Bowles is Co-Director of the National Heritage Language Resource Center (UCLA) and Professor of Spanish, Linguistics, Second Language Acquisition, and Teacher Education (SLATE) and Educational Psychology at the University of Illinois at Urbana-Champaign. Her research focuses on instructed second and heritage language acquisition, particularly the ways in which instruction differentially affects the two populations. Her previous books include The Think-Aloud Controversy in Second Language Acquisition Research and an edited volume titled Outcomes of University Spanish Heritage Language Instruction in the United States.