Popsugar Living Books Life Changing Books to Read in Your 20s 40+ Life-Changing Books to Read ASAP December 12, 2019 by Emily Co View On One Page Photo 40 of 42 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 40 Getting Things Done Get productive without the stress by reading David Allen's Getting Things Done. Previous Next Start Slideshow BooksWellnessSelf ImprovementBook Roundup