Human Japanese Intermediate More than 40 illuminating chapters, presented in a down-to-earth tone and with a sense of humor. Nearly 3900 recordings of native speakers. More than 2600 example sentences that utilize kanji intelligently based on what you've learned so far. Five kinds of intelligent quizzes that automatically track your response history and adjust the questions you see the most to help focus on trouble spots. In-depth presentation of kanji, with animations, examples, tips, history, and more.