TD Magazine Article Improving Group Dynamics 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Member-Only Content Reviews the book 'Mining Group Gold: How to Cash in on the Collaborative Brain Power of a Group,' by Thomas Kayser. You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In