C1 English

Oxford University Press, USA

English File 4th Edition C1.1. Student's Book and Workbook with Key Pack (English File Fourth Edition)

Independently published

Aprobar B2/ C1 inglés: Friends Miles Away (SERIE APROBAR EXÁMENES AVANZADOS DE INGLÉS (WRITING Y SPEAKING))

Oxford University Press, USA

English File 4th Edition C1.2. Student's Book and Workbook with Key Pack (English File Fourth Edition)

Future House Languages

Activate Advanced C1 - A Complete Self-Study Course: Improve your English level in all the skills and pass your Cambridge C1, IELTS, Trinity or TOEFL exam. (Activate Your English™) (English Edition)

Short Stories in English: C1 Level (English Edition)

Cambridge University Press

Empower Advanced/C1 Student's Book with Digital Pack (Cambridge English Empower)

Independently published

Aprobar C1-C2 inglés: Friends Miles Away (SERIE APROBAR EXÁMENES AVANZADOS DE INGLÉS (WRITING Y SPEAKING))

Macmillan Education

READY FOR C1 ADVANCED Student's book with key: libro del alumno impreso y digital con respuestas (Ready For 4th Ed)

Future House Languages

Activate Advanced C1: Un Programa Completo de Autoaprendizaje (Activate Your English™)

Cambridge English

Grammar and Vocabulary for Advanced Book with Answers and Audio