She studied at the University of Kansas.
She wrote The Hand of Mordechai on a kibbutz in Israel, Seven Shares in a Gold Mine about a murder conspiracy in Mexico, and the Singing Cowboy, a collection of Western folk songs. In 1926 she wrote the titles of the silent film The Passaic Textile Strike. In the thirties she was active as a singer/songwriter and composer of folk songs.
Maltz was 9 years younger.
In 1964 they were officially divorced, after Maltz had already returned to the United States. Larkin assisted anthropologist Oscar Lewis in the research and writing of Louisiana Vida - A Puerto Rican Family in the Culture Of Poverty (1966).
Her last book was The Hand of Mordechai, on kibbutz Yad Mordechai around the Israeli War of Independence. lieutenant was published in Hebrew (1966), Yiddish (1967), English (1968), German (1970), and Russian (197?).
Larkin was represented by literary agent Barthold Fles.
She died in Mexico City on May 7, 1967, aged 67. Her granddaughter, Mira Larkin, is an actress and production manager.
Maltz was blacklisted as one of the Hollywood Ten due to his refusal to tell the House Un-American Activities Committee whether he was a member of the American Communist Party.