Where do the "Student Reading Questions for The American Pageant, Twelfth Edition" come from? Are they found in the American Pageant Guidebook, the American Pageant Quizbook, or somewhere else?

I can find pdfs of the questions all over the internet, but am curious about the original source.

[URL=http://www.rbrhs.org/wt/blackwell/documents/ch28CRQ.pdf]EXAMPLE [4] OF WHAT IT LOOKS LIKE[/URL]

Thanks!