URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_4_042.html	Chapter 1.	4fad8513b11c0f4e62000000
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_4_042_dlap.xml	DLAP questions	4fad8513b11c0f4e62000000