Here are some of her most famous works:
"Mr. Small" series:
* Mr. Small (1941)
* Mr. Small and the Mailbox (1942)
* Mr. Small and the Big City (1946)
* Mr. Small and the Birthday Present (1949)
* Mr. Small and the Tall Tree (1951)
* Mr. Small and the Broken Bicycle (1953)
Other notable books:
* The Little Airplane (1938)
* The Little Fire Engine (1938)
* The Little Auto (1939)
* The Little Train (1940)
* The Puritan Adventure (1944)
* Papa Small (1947)
* The Cowboy Small (1950)
* The Indian Captive (1954)
* The Boy Next Door (1956)
Marsha Lenski's books are praised for their simple yet engaging storytelling, charming illustrations, and realistic depiction of childhood experiences. They continue to be enjoyed by children and adults alike.