The Gest Thing Mariana Zapata

The One Thing: The Surprisingly Simple Truth Behind Extraordinary Results is a non-fiction self-help book written by authors and real estate entrepreneurs Gary W. Keller and Jay Papasan. The book discusses the value of simplifying one’s workload by focusing on the one most important task in any given project. The book has appeared on the bestseller lists of The New York Times, The Wall Street Journal, USA Today, and Amazon.com. It was first published by Bard Press on April 1, 2013.

Source: Wikipedia