In Book 15 Poland has been devastated physically from the Cossack Uprisings and the Swedish Invasion. The Cossacks won their freedom and Poland lost the Ukrainian Rus. Then, the Swedes came from the north and took everything of value including all the state records and documents from every city, town, and village, including all church records of births, marriages, and deaths from every cathedral and church. Suffering these two setbacks, in the 17th...