Suppose you wanted to study a new text after completing your first lesson. In that case, you can simply download more texts on specific lessons or topics from the FullChinese Store. They are split into three categories: HSK Books, FullChinese Text Books, and FullChinese Topics.
To download a new text:
Go to "Store"
Tap on your desired book and then tap the "Get" button (e.g., FullChinese Level Two)
Download the desired lesson (e.g., Level 2-Lesson 1)
Now take a screenshot of your downloaded lesson. It should look similar to the example below:
Great! You can now access your book from your "Texts" tab underneath the "Books" section. Let's learn how to create a New Notebook.