TD Magazine Article The Astd Library Develops HB By Hugh Booth 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 Definitions distinguish between Edu-cation and Training. Practices empha-size the inter relation of their functions. You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In