You are correct.
Also, The Wizzard Of Oz is only one book in a series of Oz books written by Baum.
https://www.rareozbooks.com/frank-baum-books.html
List of the 14 Oz books written by L. Frank Baum
Lynching, imo, means common people taking the law into their own hands bc those who are supposed to be enforcing the law aren't doing their job