Users can add one or more topics to a Personal book.To add topics to an existing Personal book:When you find topics in the knowledge center and want to add them to a Personal book, click the icon. The following window is displayed:Use the switch (1) to include children topics from the book structure, and select other topics if needed. From the drop-down menu (2), select the book you want to add the topics to. Or create a new book (3).Click OK to add the topics to the book.