The Wikimedia foundation has just unveiled several new updates to Wikipedia, one of which is the ability to compile several articles into a a “book” and export it to PDF that is printer-friendly for offline reading or printing.
Excerpt from Wikimedia’s blog post:
Pediapress book creator: Create a book by selecting Wikipedia articles and adding them to the Book Creator. Your articles will be turned into a PDF (or OpenDocument) file so you can easily take Wikipedia wherever you go.
Some screenshots below:
An Infobox at the top of an article that allows a user to add the article to a “book” for exporting. Note that the user will need to have enabled this feature.
Rendering the book into PDF: