The items are as follows: 2025 1st Class Architect Text - Planning 2025 1st Class Architect Text - Environmental Equipment 2025 1st Class Architect Text - Regulations 2025 1st Class Architect Text - Structure 2025 1st Class Architect Text - Construction This is a set of 5 books. There is writing such as highlighting. With revision information With revision materials With comparison materials of old and new revisions With materials for revised sections With errata No extras The 2025 edition corresponds to the major decarbonization revisions, and I don't think you can study with peace of mind using older materials. They were stored in cardboard boxes. Please refrain from purchasing if you are looking for perfection. We will ship with waterproof packaging. TAC Nikken Gakuin Sogoshikaku Gakuin 2025 2025 2025 2025