New - hot off the publisher's presses and untouched. Brand-new condition.
Pre-loved excellent - this book has been read before but is still in excellent condition. There are no marks or highlights to be found!
Pre-loved good - you can tell this book has been read before. It is still in good condition but the cover may be a bit damaged and the pages a bit yellow and creased.
Pre-loved fair - this book has been well loved before! It may have a damaged cover, creased pages, some highlighting throughout (yay! saves you reading time!) and some marks in on the page borders. However, the message in the book itself remains valuable.