If you're looking for a PDF version of this textbook, it's likely that you're searching for a digital copy that you can access on your device. Unfortunately, I couldn't find any official PDF versions of "Chuukyuu kara manabu Nihongo" that are publicly available for download.
: The book is organized around themes like culture, society, and technology, moving away from the "survival Japanese" of beginner levels. chuukyuu kara manabu nihongo pdf
: It provides clear explanations of intermediate-level sentence patterns ($~ ~$\texthazu da, etc.) with ample practice examples. If you're looking for a PDF version of