title_body: Looking for software to combine articles into ebook
upvoted_answer: Actually with instapaper (if you're logged in) You can visit either:
  
  
  https://instapaper.com/mobi
  https://instapaper.com/epub
  
  
  to download the latest 20 articles.
  
  Then there is the normal download option in the drop down menu (under your user name).