The Ducal Detective (Ducal Detective Mysteries Book 1) for FREE (was $0.99) by Free Book Feed | May 13, 2019 | Free Kindle Book | FacebookTwitterGoogle+Pinterest The Ducal Detective (Ducal Detective Mysteries Book 1) by Sarah E. Burr 4.4 out of 5 Stars (17 Reveiws)$0.00 was $0.99 Download Now!