URL	Title	Id
http://digfir-published.macmillanusa.com/gls_animated_graph/gls_3_7.html	Chapter 1. eFigure 3.7	5176f30eb11c0f9f07000001
http://digfir-published.macmillanusa.com/gls_animated_graph/gls_3_7_dlap.xml	DLAP questions	5176f30eb11c0f9f07000001