I have, good read. But still, he's referencing the following texts:
The American Adventure (1975)
American Adventures (1987)
American History (1982)
The American Pageant (1991)
The American Tradition (1984)
The American Way (1979)
The Challenge of Freedom (1990)
Discovering American History (1974)
Land of Promise (1983)
Life and Liberty (1984)
Triumph of the American Nation (1986)
The United States: A History of the Republic (1991)
1991 is the most modern. Since then quite a bit has changed. Still not perfect, but you need to keep in mind that American public schools are funded by the American Government, and are therefor a a functionary of the government. Every country teacher their owns story in a particular way