Both here, by Grace at “Avast! Feminist Conspiracy!” The books she considers are Selling Women Short: The Landmark Battle for Worker’s Rights at Wal-Mart, by Liza Featherstone, and Sisters: The Lives of America’s Suffragists by Jean H. Baker (both links take you to Powell’s Books).
You can access a Democracy Now! interview with Featherstone here and a Mother Jones’ review of Baker’s book here.