PositiveThe Wall Street JournalMs. Sohn...makes a very successful transition to feminist historian. There is irony but little humor in her compelling, well-researched exploration of these pioneers, who faced jail time because they promoted contraception, gender equality, sexual education and a woman’s right to sexual pleasure ... Of the eight women Ms. Sohn spotlights, the sexologist Ida C. Craddock gets the most attention ... After her death, Craddock was quickly forgotten, but Ms. Sohn has successfully resurrected her and her radical sisters.