Book sites show the contents of free-to-read books on the web. In the past year or so, I noticed sites like Shape Up popping up and it got me thinking.

• Is this a new format?
• Why is this becoming more common?
• What else is out there?

Have an interesting book site? Stumbled across one that caught your eye? Submit a PR!

• Shape Up
• The Almanack of Naval Ravikant
• Poor Charlies Almanack
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• Writebook by 37 Signals

• Learn2 template for Grav CMS