Latham has written historical fiction and nonfiction for kids, as well as dramatic works for both children and adults. Pretty exciting stuff.
Books:
Carry On, Mr. Bowditch (1956 Newbery Award)
David Glasgow Farragut: Our First Admiral
The Story of Eli Whitney
George Goethals: Panama Canal Engineer
thanks to:
http://www.wvwc.edu/lib/wvauthors/upshur.html
www.amazon.com