URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_1_019.html	Chapter 1.	4fcfa743b11c0f8c51000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_1_019_dlap.xml	DLAP questions	4fcfa743b11c0f8c51000000