Here’s the book recommendation: Bess of Hardwick, Empire Builder by Mary S Lovell. (remember, if you order through that link, I’ll get a percentage from Amazon).
Listen to the podcast here: http://www.hipcast.com/podcast/HZ7gPhCs
the page of her biographer, Mary S Lovell
(I have to say, I smelled some sexism in this page. Also, her biographer Mary S Lovell refutes some of the claims of the time she spent in the tower, and I believe Lovell over this site)