There has been data ("Pimsleur Chinese (Cantonese) Level 1 Lessons 6-10 MP3: Learn to Speak and Understand Cantonese Chinese with Pimsleur Language Programs (Pimsleur Digital)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Sep 3 01:27:28 2019, so the data displayed here has been removed .