The Wild Field E09 | The border regions shared by Poland-Lithuania and the Ottoman Empire were a tumultuous zone – a patchwork of regions directly administered by Warsaw and Istanbul, or through client rulers and vassals in Crimea, Moldavia, and Wallachia. Mariusz Kaczka's work on the anatomy of diplomacy in this region, particularly after the treaty of Karlowitz at the turn of the 18th century, breathes new life into the study of this dynamic frontier.