"Little Heathens" is a memoir of Mildred Armstrong Kalish's childhood on an Iowa farm during the Great Depression. Kalish recounts the daily struggles and joys of life on the farm, from making do with limited resources to finding creative ways to entertain themselves. Through her vivid descriptions and humorous anecdotes, Kalish paints a picture of a resilient and close-knit community that persevered through tough times with a spirit of determination and optimism.

This memoir chronicles the life of the author's family as they move from Wisconsin to Iowa, then to South Dakota during the late 19th century. The narrative focuses on the hardships and challenges of pioneer life, the author's own evolution as a writer, and the significant role his sister played in his life. The book offers a poignant depiction of the American frontier and its influence on the people who lived there.