How The Grinch Stole Madison Avenue
Before his Dr. Seuss books became famous, Theodor Seuss Geisel was a part-time ad man. He created illustrations for Flit insecticide, General Electric and others. Notice the long copy for Ajax Cups.
These Ads Drawn By Dr Seuss Before He Was Famous Are Utterly Charming - Business Insider
There was a rumor he wrote some Clickbank sales letters but so far there is no evidence.
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