Alexander Botts: Earthworm Tractors Series

The adventures of a natural-born salesman.
Books in the Alexander Botts: Earthworm Tractors series:
Alexander Botts, Earthworm Tractors (1929)

When Alexander Botts offers his services to the Earthworm Tractor Company, they do not realize what they are in for - fortunately for them and for us.
Earthworms in Europe: Alexander Botts Makes the Old World Tractor-Conscious (1931)

In search of new worlds to conquer, Alexander Botts, natural born salesman, sails for Europe with eight Earthworm tractors in the hold.
Keep ’Em Crawling: Earthworms at War (1943)

Alexander Botts, Earthworm tractor salesman, gives the war effort his all.
Botts in War, Botts in Peace: Earthworms Can Take Anything (1944)

This entry in the saga of Alexander Botts, natural born salesman, takes him from 1933 to fighting in World War II.
Earthworms through the Ages: The Wisdom of Alexander Botts (1947)

These entries in the Botts saga take him from 1932 to 1947.
Hello, Mr. Henderson (1949)

Alexander Botts’ boss, Mr. Henderson has enough troubles of his own keeping Earthworm tractor buyers happy.
No Rest for Botts: Earthworms Make the World Go Round (1951)
Master tractor salesman Alexander Botts has been discharged from the army and is back in action.
The Best of Botts (1961)

Alexander Botts, world’s greatest salesman, sells Caterpillar tractors all over the United States, in France and New Guinea.
Original Letters of Alexander Botts (1963)

More adventures of the world’s greatest salesman.
Alexander Botts: Great Stories from the Saturday Evening Post (1973)

Adventures of a natural born tractor salesman.
Read online at archive.org.
The Fabulous Saga of Alexander Botts and the Earthworm Tractor (2001)

Further adventures of the tractor salesman extraordinaire.
Alexander Botts Rides Again: More Mayhem on the Earthworm Tractor (2005)

A collection of stories about the adventures of Alexander Botts, super salesman of Earthworm tractors.