Q: I’d like to delete “About Notebooks”, “Getting Started” and “What’s New “, but the delete function will not remove these documents.

The default document are write protected; to delete them, open their info and turn off write protection. You can then delete them like any other document: you either tap the trash icon to remove the current document, or you swipe across a document’s title in the list and select Delete.

How To Delete the Default Documents That Come with Notebooks (iOS)