![THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE by Covey, Stephen R.](http://libreriaisaias.com/cdn/shop/products/md30406086700_{width}x.jpg?v=1595001904)
The Seven Habits of Highly Effective People, first published in 1989, is a self-help book written by Stephen R. Covey. It has sold over 15 million copies in 38 languages since first publication, which was marked by the release of a 15th anniversary edition in 2004. The book lists seven principles that, if established as habits, are supposed to help a person achieve true interdependent effectiveness.