By the method, the book that I mentioned in the video is That Wild Country by Mark Kenyon..

Applications for Education.
As I pointed out in the video above, the Ngram Viewer can provide an excellent way to begin a research study activity for students. Have them get in a few words then take a look at the chart to recognize peaks and valleys in the frequency of the words usage. Ask them to attempt to identify what would have triggered those words to be utilized more or less often at various durations in history.

Googles.
Ngram Viewer is a search tool that students can utilize to explore using words and names in books released in between 1800 and 2019. The Ngram Viewer shows users a graph showing the very first appearance of a word or name in literature and the frequency with which that word or name appears in literature since 1800. The graph is based upon the books and regulars that are indexed in Google Books.

The Ngram Viewer will let you compare making use of several words or names in one chart. The example that I give in this video is to compare making use of the terms “National Parks,” “National Forests,” and “National Forest Service.” By taking a look at the Ngram Viewer for those terms I can see that they begin to appear more frequently around 1890, have a lull in the 1940s and 1950s, and then appear more frequently once again in the 1960s..
Ngram Viewer is based upon books indexed in Google Books. That is why listed below every graph generated by Ngram Viewer you will discover a list of books about each of your search terms. Those books are organized by date..
A 3rd element of Ngram Viewer to note is that it works with numerous languages including English, French, Chinese, German, Italian, Russian, Hebrew, and Spanish..

Ngram Viewer is a search tool that students can use to check out the use of words and names in books released between 1800 and 2019. The Ngram Viewer shows users a graph highlighting the very first look of a word or name in literature and the frequency with which that word or name appears in literature given that 1800. The Ngram Viewer will let you compare the usage of several words or names in one graph.