This is the 2024 edition of the "Sukkiri Wakaru Takken-shi" (Easy-to-Understand Real Estate Broker) strategic textbook by Nakamura. It's a set of 4 books. The contents are mostly clean, but there may be a few places with markings like circles or crosses in pencil. Also, there are traces of clear tape on the outside. Please be aware of this. Please also understand that there may be other oversights.