I purchased this as a textbook for university. There is some writing, such as notes taken during class. ===== [Title] Electronic Device Engineering, 2nd Edition [Authors] Seijiro Furukawa, Yoichiro Ogita, Tanechika Asano [Publisher] Morikita Publishing Co., Ltd. [Condition] Has some scratches and stains Electronic Device Engineering (2nd Edition) by Seijiro Furukawa / co-author, Yoichiro Ogita / co-author, Tanechika Asano / co-author Brand: -