Her two most significant works were her novel Cathedral in the Sun (1940) and her contribution to the Rivers of America Series, The Salinas: Upside Down River (1945).
Between 1923 and 1976 Shenton illustrated over 130 books including The Yearling, Tender Is the Night, Green Hills of Africa, Freedom River Florida 1845, and three volumes of the Rivers of America Series.
Her River of the Golden Ibis, part of the Rivers of America Series, was voted "Best History Book" in 1973 by the Society of Midland Authors.
Other books included The Story of Boothbay (1937), Camden Hills. An Informal History of the Camden-Rockport Region (1947), The Allagash, (1968, 1978, 2001), originally published as part of the Rivers of America Series); Touch of Wildness A Maine Woods Journal (1970); Pines for the King's Navy, (1955), concerning the struggle among settlers, Indians, and the British king for Maine's timber, and Full Fathom Five (1958), illustrated by his wife, the artist Denny Winter.
Rivers of America Series, a series of 65 books published by Farrar & Rinehart and its successors between 1937 and 1974
North America | South America | ATP International Series | World Series | Latin America | Confederate States of America | America | Boy Scouts of America | World Series of Poker | Good Morning America | ATP International Series Gold | Star Trek: The Original Series | ATP World Tour 250 series | Buffy the Vampire Slayer (TV series) | Bank of America | Central America | United Way of America | series | Captain America | ATP World Tour 250 Series | Gossip Girl (TV series) | Voice of America | Casualty (TV series) | House (TV series) | The Twilight Zone (1959 TV series) | One Tree Hill (TV series) | limited series | Joan Rivers | Miss America | Lost (TV series) |
He is noted for writing The Potomac, a history of the Potomac River and the 40th volume in the Rivers of America Series, and Worthy of a Nation a history of the development of Washington, D.C..