Here I share the 3 best tools for copying sites entirely for Offline navigation.
So if you like so much an specific site and want to browse it offline while you are in a zone with complete wireless, You can save it all into a USB/Harddrive or so.

1.- HTTrack: Obviously very known. Its easy to use and there are plenty of tutorials on the web on how to use this.
2.- Backstreet Browser Website Downloader: lets you download complete website pages, including HTML, images, JavaScript, Java applets, sounds, and any other file. Once downloaded, this website downloader is able to recreate the same navigation and directory structure of original website.
3.- WebAssistant Proxy Offline Browser: lets you download complete websites, or just selected web pages. You just need to provide URL of website or web page that you need to download