The book breaks grammar down into functional goals. Unlike beginner books that might teach "Verb Te-form" as a single rule, this book expands on how to use it in an intermediate context.

Since you are asking for a "feature" (analysis/review) of the specific document , I have broken this down into what the book is, its structure, its methodology, and how the PDF version is typically utilized by learners.

: Systematically covers the essential grammar needed to reach the lower-intermediate level (often associated with JLPT N4 to early N3).

: Digital versions allow you to quickly "Ctrl+F" specific kanji or grammar points.

Chuukyuu e Ikou. 55 японских грамматических конструкций