URL	Title	Id
http://digfir-published.macmillanusa.com/gls_animated_graph/gls_8_4.html	Chapter 1. eFigure 8.4	515f2c52b11c0ffe13000002
http://digfir-published.macmillanusa.com/gls_animated_graph/gls_8_4_dlap.xml	DLAP questions	515f2c52b11c0ffe13000002