""His Most Dear Ladye: A Story of Mary, Countess of Pembroke, Sister of Sir Philip Sidney"" is a historical fiction novel written by Beatrice Marshall. The book tells the story of Mary Sidney, the sister of the famous poet and courtier, Sir Philip Sidney, who was a prominent figure in the Elizabethan court. The novel is set in the 16th century and follows the life of Mary Sidney, who was known for her intelligence, wit, and beauty. The story begins...