Four Minute Books is described as 'Brings passionate readers and book nerds 4-minute book summaries of the world's best non-fiction books. They're short on time, but big on learning. With each summary the reader can learn 3 valuable lessons in 4 minutes or less, while simultaneously' and is an website in the education & reference category. There are more than 25 alternatives to Four Minute Books, not only websites but also apps for a variety of platforms, including iPhone, iPad, Android and Android Tablet apps. The best Four Minute Books alternative is Littler Books, which is free. Other great sites and apps similar to Four Minute Books are BookWatch, Blinkist, Uptime - Learning and Shortform.
Good list of non fiction books. It´s free and easy to understand quickly.