(Since Thompson was the primary supporter of her widowed mother and disabled sister, the annual income from the Oz books was important for her financial circumstances.

"[6] Thompson's contributions to the Oz series are lively and imaginative, featuring a wide range of colorful and unusual characters.

Scholar Russel B. Nye noted that Thompson's books are "a truer world of fun and fantasy, and a less complex one" than Baum's.

[6] In the 1983 Dictionary of Literary Biography, Michael Patrick Hearn wrote, "While her books may lack the philosophical and imaginative depth of Baum's best stories, Thompson's tales nevertheless consistently possess a zest, a vitality noticeably wanting in Baum's more somber interludes in his Oz books.

"[1] After a falling out with Reilly & Lee in the 1930s, Thompson wrote articles, stories, and poems for various publications including Jack and Jill, Saturday Evening Post and Ladies Home Journal.