You will find the textbook “Open the Door to Chinese Book 2” by Polina Shinkina both entertaining and useful.
Even if you have previously studied the Chinese language.
This Mandarin Chinese textbook is the beginner – intermediate level and designed to develop basic Chinese language habits.
Moreover it can help you memorize Chinese characters due to “The Chinese Character Decomposition Guidance” included in each lesson.
Mandarin Chinese Textbook Beginner – Intermediate Level
Open the Door to Chinese Book 2 by Polina Shinkina