About the book: 2008 / Why did the mighty tribes of the Polabian Slavs disappear without a trace, but in the middle of the German lands a small handful of Lusatian Serbs are still alive? This mystery, history and The largest Russian Slavist of the 19th century, Izmail Ivanovich Sreznevsky, became interested in the language of the Lusatians, collaborating with one of the leaders of the Serbian national revival, philologist Jan Arnošt Smolyar.