Some of the documents in this course are multi-page documents, consisting of a number of separate web pages arranged much like the pages of a book. For example, try clicking here for the multi-page version of this document.

Looking across the top and bottom of a multi-page document, you will see a set of icons for moving through the pages.

	This moves you to the next page in a multi-page document. (If you are already on the last page, this icon will not appear.)
	This moves you to the previous page in a multi-page document. (If you are already on the first page, this icon will not appear.)
	In documents with a hierarchical structure (e.g., subsections inside sections inside chapters), this moves you up one level in the hierarchy.

Most multi-page documents will also display, at the bottom of the page:

This takes you to a printable version of the same document, either the entire document in a single HTML page or a PDF version.