Used a few times. There is some slight writing on some of the practice questions, and two places have circular marks as shown in the photos. Other than that, it's as good as new and in beautiful condition. I'm willing to consider a discount depending on the situation, so please feel free to contact me! This is a textbook covering specialized content on radiochemistry and radiopharmaceuticals. - Title: Radiochemistry and Radiopharmaceutical Science - Authors: Yasuhito Okubo, Keiji Kojima - Publisher: Asakura Publishing - Price: 5280 yen (4800 yen + tax) - Content: Question-and-answer format Thank you for looking.