The Herd by Andrea Bartz The Herd by Andrea Bartz ($18) is a fast-paced thriller set against a backdrop of an exclusive, women-only co-working space. It explores social media, female friendships, ambition — if that doesn't sound like a story for millennial women, we don't know what does. Image Source: amazon.com The Herd by Andrea Bartz $18 from amazon.com Buy Now