URL	Title	Id
http://digfir-published.macmillanusa.com/gls_animated_graph/gls_5_7.html	Chapter 1. eFigure 5.7	514a0ab1b11c0f3510000000
http://digfir-published.macmillanusa.com/gls_animated_graph/gls_5_7_dlap.xml	DLAP questions	514a0ab1b11c0f3510000000