Approximately 11 pages have been marked with a highlighter on the inside. (3 photos are missing) Otherwise, it's in good condition. A specialized textbook on industrial materials that thoroughly explains the crystal structures of metals. - Title: Understanding Industrial Materials - Publisher: Ohmsha - Content: Detailed explanation of the crystal structures of metals - Number of pages: The specific number of pages is unknown, but the content is suggested to be substantial. Thank you for looking.