Interesting, in the past 3 years, this same link/post has appeared multiple time...

		Sharma on May 28, 2015 \| parent \| context \| favorite \| on: The Hacker Shelf: Collection of free books for the... Interesting, in the past 3 years, this same link/post has appeared multiple times on the front page. https://hn.algolia.com/?query=hackershelf.com&sort=byPopular...