Google is powerful search engine and it could help you with your research and find interesting stories.

Sources about Google Books:

https://cs.stanford.edu/people/eroberts/cs181/projects/2010-11/GoogleBooks/background.html#:~:text=What%20is%20Google%20Books%3F,that%20anyone%20can%20access%20online.

https://books.google.com/googlebooks/about/free_books.html