My grandparents talked about the Depression a lot while growing up.
Books like this were also incredibly useful for when you did travel, though. Before the Internet, the way you learned about a place was through books.
If you were headed to Wisconsin, there was no "Ok CIA, what's the best cheeseburger on this freeway?". You either stumbled across something while you were driving, or found it in a book.
While there are great things about the information age, one downside is that hidden gems tend to be un-hidden at speed, and rapidly loose their lustre as they attempt to expand to absorb the demand.