This paper discusses the development of a Kanji textbook for intermediate learners. In order to improve the skills of verbal presentation, discussion and writing a paper or a report, it is necessary to acquire the academic vocabulary as productive vocabulary. The structure of this textbook is designed to realize an effective way of learning productive vocabulary. The specific features of the book are as follows: (1) Setting authentic theme for each lesson. (2) Arranging academic vocabulary in the thematic groups. (3) Activating learners' partial knowledge of words. (4) Showing vocabulary in context with typical usages and collocations. (5) Providing active exercises for accurate reading for word processing. (6) Accent marks are attached.