Product: ・Integrated Circuit New University Ohmsha About the product condition: ・The cover shows signs of use overall. There are multiple folds and writings. The cover has dirt and scratches as it has been used for a long time. There is a fold mark on the 4th page (cover). ・Please refrain from purchasing if you are concerned about the above. About shipping and packaging: ・We plan to ship via Yu-Yu Mercari Bin or Rakuraku Mercari Bin. ・We plan to package it in a bag to prevent water damage. ・If you have any preferred shipping or packaging methods, please consult with us before purchasing. Other: ・Please purchase only if you understand the above. ・Please feel free to ask if you have any questions.