URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_2_023.html	Chapter 1.	4fcfb6fab11c0fee51000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_2_023_dlap.xml	DLAP questions	4fcfb6fab11c0fee51000000