Hakase 1 is a practical textbook for international students, aimed at postgraduate students and researchers. This beginner's course offers effective learning results in a short period. While building knowledge of basic grammar constructions, the book also covers interviews, presentations, and role-playing exercises, all relevant and useful for the daily life of a postgraduate student. The conversations and exercises are presented in kanji and kana (with furigana readings) along with Romanized letters and English translations. Grammar and usage explanations are provided in English. Hakase 1 contains 15 chapters and comes with a CD containing sample sentences, conversations, and new vocabulary (in Japanese only).