"Listen to the thrilling adventures of the Man of Steel over the following stations:"
Storyline
The ad promotes 31 stations in the United States airing the Superman radio show, along with their sponsors. It also mentions there are 25 stations in Canada sponsored by Ogilvie Flour Mills Co., Ltd.
Story Notes
Below the Books Worth Reading article. This ad is similar to the one that ran originally in Action Comics #37 but with additional U.S. stations.