Quick Copy | Copy Paste Content Quickly From The Web
4 Best Website Ripper For Offline Reading the Whole Website
How To Download And Read Websites Offline Easily
The Best Way To Download A Website For Offline Use By Using Wget
If you want more of it, then try to Play with Inspect (To grab sections manually) or View page source option to get hands-on it. Simply Google search to get possible Info on both options, how to use and why.
Good luck!