Seasons and Weather Chinese Mandarin Digital BookA printable PDF is also included. ** Link for the digital book will be given on the 1st page of the PDF.Contents include 3 parts : - Vocabulary flash card - Daily conversation - Interactive quiz The digital book comes with the following INTERACTIVE FEATURES : - Audio included - listen to the pronounciation repeatedly - Hover to show the transaltion in English - understand the meaning clearly - Interactive quiz to give instant feedback for you