Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Lacks Chinese characters essential for this type of book

This is an OCR print on demand version. It lacks the Chinese and other graphic characters which are essential in a book discussing symbols of a language. The English text is full of typos that it sounds gibberish.The only saving grace is that you get to download a scanned version of the original book. Better to get a version that has the Chinese charactersSound and Symbol in Chinese (Language & Literature) (English and Mandarin Chinese Edition)