9888.エクリB6-2の高価買取価格

It looks like you are providing an ISBN (International Standard Book Number) that appears to correspond to a book. However, I'm not able to look up specific ISBNs or databases. If you need information about this book, such as its title, author, or contents, I recommend checking a book retailer's website, a library catalog, or a dedicated book information database. If you have any other questions or if there’s something specific you would like to know, feel free to ask!