You can add topics from your library into a book by dragging them from the object list into the book. You can add single or multiple topics to a book.
- Open the book in Editor, or in the Properties window, open the Book Contents tab.
- Select the topic from the object list and drag it into your book at your chosen location. To drag a group of topics into a book, press and hold the CTRL key and begin selecting topics. Continue holding the CTRL key down while dragging the selected topics into the book.
- Click Save.