The book "Japanese: The Spoken Language" (JSL) by Eleanor Harz Jorden and Mari Noda is a classic, though specialized, textbook. It focuses exclusively on aural/oral proficiency
Internet Archive: Provides a free version to borrow and stream, including the complete text of Part 1. japanese the spoken language part 1 pdf best
If you're interested in downloading "Japanese The Spoken Language Part 1 PDF", here are a few options: The book "Japanese: The Spoken Language" (JSL) by
and you don't mind delaying learning to read. It is often used in intensive university programs (like Cornell or Ohio State). japanese the spoken language part 1 pdf best