LaTeX offers the possibility of declaring the document as one-sided or two-sided, this wil arrange several elements to look fine in the chosen format.
Declaring a two-sided document is simple, just pass the twoside
parameter to the \documentclass
declaration.
\documentclass[twoside]{article}
\usepackage[utf8]{inputenc}
\title{Two-sided document example}
\author{ }
\date{March 2014}
\begin{document}
\maketitle
\section{Introduction}
In a two-sided document the space in the inner side
of the page is a bit larger. There are several commands
that have a special version for two-sided documents,
like figure alignment and page numbering.
\end{document}
As you see, the margins are different from those of a one-side document.
Lets compare a one-sided with a two-sided document.
\documentclass[a4paper,11pt,oneside]{book}
\documentclass[a4paper,11pt,twoside]{book}
Headers, page numbering, margin notes and several other elements are reformatted when using a two-sided document. Chapters in a two-sided document start on a right page.
It is a good way to define a binding offset value for documents with binding (e.g. books) by using the geometry package.
When inserting images in a two-sided document you can define the alignment relative to the edges of the page.
For more information see: