First, Break All The Rules - Marcus Buckingham & Curt Coffman (Gallup)
What The World's Greatest Managers Do Differently
(Nederlands: Weg Met Alle Regels)
The One Thing You Need To Know - Marcus Buckingham
About Great Managing, Great Leading, and Sustained Individual Success
(Nederlands: Die ene Essentie van Leiderschap)
12 - The Elements of Great Managing - Rodd Wagner & James Harter (Gallup)
The sequel to First, Break All The Rules
Closing The Engagement Gap - Julie Gebauer & Don Lowman
How Great Companies Unlock Employee Potential For Superior Results