Sources for trivia game questions

[Glorybound]

http://onlinebooks.library.upenn.edu/webbin/book/browse?type=lcsubc&key=United%20States%20%2d%2d%20 History%20%2d%2d%20Civil%20War%2c%201861%2d1865


Battle Cry of Freedom, by James McPherson

 

[hoosier]

Is that link supposed to take us to an online version of Battle Cry of Freedom, or is Battle Cry of Freedom a real book that you can hold in your hand and a separate source from what is available through the link?