Kristina Farkas's duo of practical manuals. This pack includes: British English Idioms, an essential book for mastering key idioms and British slang, improving your fluency and cultural understanding. And the Effective Customer Service Bilingual Manual, a practical guide on how to transform difficult customers into memorable experiences, with dual content in Spanish and English (British English), perfect for professionals looking to elevate their customer service in international contexts. This set is ideal for improving your communication skills and professional competencies.