"Omori Toru's Biology Basics: 41 Lectures to Amaze You" Toru Omori Price: ¥1200 #ToruOmori #Toru_Omori #Book #Nature/Biology There are lines drawn with a marker. I used it without the cover, so it would look clean if you put the cover back on, but there are scratches on the main body, and a sticker is also attached. I don't see any calculations written. Please only proceed with the transaction if you understand the condition. The red sheet is not included.