This is an advertisement from the January 25, 1921 Courier.

.How They Read Books Back in the Day

We all have our favorite ways to read these days-and mostly everything is at our fingertips. Back in 1921, publishing companies such as Bobbs-Merrill released one chapter at a time, published once a week in the newspaper. Can you just imagine having to wait a whole week for the next chapter? Inconceivable!