Calling all bilingual Harry Potter fans! The official Chinese version of J.K. Rowling’s Harry Potter and the Deathly Hallows is now available. According to a report in China Daily, the final installment of the teenage wizard’s adventures is possibly the most expensive children’s book in China: Priced at RMB 66, one book would cost the average family about six percent of their monthly disposable income. Thus far, the Harry Potter series has sold 325 million copies worldwide and has been translated into more than 60 languages. The Chinese versions of the previous six Harry Potter books have already sold over ten million copies in China so far.