For January, 2020, the University of Chicago free ebook is
American Girls in Red Russia: Chasing the Soviet Dream by Julia L. Mickenberg.
Once upon a time, Soviet socialism was cool. If you were an independent, adventurous, liberated American woman in the 1920s or 1930s, it was a place to escape the constraints and compromises of bourgeois living. Julia L. Mickenberg recovers the lives of the suffragists, reformers, educators, journalists, and artists who came to Russia in search of more just, equitable, and satisfying social arrangements. And most in the end were disillusioned, some by mundane realities, others by horrifying truths.