Treasury of Women Saints

Here are a couple suggestions: Treasury of Women Saints by Ronda D. Chervin, 1991, 375 pages. This one is more accessible. Women Mystics: Hadewijch of Antwerp, Teresa of Avila, Therese of Lisieux, Elizabeth of the Trinity, Edith Stein by Louis Bouyer, 1993, 197 pages. This one is more niche.