The 'Set of 3 DUKE LANGUAGE SCHOOL BOOKS' includes three engaging textbooks designed for learning Thai. Each book focuses on everyday Thai language skills needed for survival in Thailand. The covers feature vibrant green designs with unique patterns that evoke aspects of Thai culture. Book 1 introduces basic conversational phrases and essential vocabulary for beginners. Book 2 builds on this foundation, enhancing understanding with more complex topics and practical scenarios. Book 3 focuses on advanced structures, enabling learners to express opinions and discuss future aspirations. This series is perfect for individuals looking to immerse themselves in Thai language and culture.