It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Below is an example of how an OER text combined as a collection.
In the below example, all of the content from the first book, "Book: The Information Literacy Users Guide," by Bernnard et. al., is used, and chapter four from the book "Technical Writing," by DeSilva which has been added to the beginning of the compiled work.