Student: They contain the core material, grammar rules, vocabulary, and texts. They are the essential textbooks for following the lessons in class or at home.
Exercise Book: They accompany the main book. They include written exercises, assignments, and review tests, helping with practical practice and reinforcement of the material both in class and during home study.
Vocabulary / Companion: They accompany the main book and contain the new words from each unit with translation, pronunciation, and usage examples. They include reinforcement exercises, helping with easy vocabulary learning.
Grammar: They focus on the theory and structure of the language. They include detailed rules, inflection tables, and targeted exercises, helping you understand syntax and write or speak correctly.
