It's in beautiful condition, as I've only opened it about three times. There are no writings or stains. Please understand that returns are not accepted before purchasing. This is a problem book that introduces the trends of SPI and tips for solving frequently appearing problems. - Title: The Strongest Job Changer's SPI: Frequently Asked Questions - Features: Presents the trends of SPI and frequently appearing problems - Features: Introduces tips for solving problems taught by course professionals - Features: Solidifies problem-solving methods with abundant practice problems - Features: Compactly presents problems and answers/explanations on facing pages Thank you for viewing.