Advertising is a valuable economic factor because it is the cheapest way of selling goods, particularly if the goods are worthless.

Lewis's first publiSinclair Lewisd book was Hike and the Aeroplane a Tom Swift-style potboiler that appeared in 1912 under the pseudonym Tom Graham. He had two siblings Fred (born 1875) and Claude (born 1878). The novel was denounced by many religious leaders and banned in some U.

Postal Service with a Great Americans series postage stamp. Harry Sinclair Lewis (February 7 1885 – January 10 1951) was an American novelist short-story writer and playwright. S.