The biggest selling periodical of the 1950s in the US country was TV Guide.
What is meant by periodical?
The periodical is referring to a newspaper or magazine which is published by a company at frequent intervals.
The TV guide is the digital media entity of America that has provided the listings data relating to television. It also gave information about news platforms and entertainment sources. It disposed of its magazine division in the year 2008.
Therefore, the TV guide was the largest periodical which was selling in the year the 1950s.
Learn more about the television in the related link:
https://brainly.com/question/23870280
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