There are some scribbles and folds. Please refrain from purchasing if you are concerned about this. The seller is a student preparing for university entrance exams, but apparently doesn't need chemistry. Therefore, they are selling this item. Below is information from AI: This is a chemistry problem book for the university entrance common test, containing original problems and past exam questions. - Title: 2026 University Entrance Common Test Practical Problem Collection Chemistry - Contents: 5 sets of original practice problems + 2 sets of past exam questions - Price: 1,650 yen (excluding tax) Thank you for viewing.