Jan Jacek Bruski is associate professor at the Jagiellonian University's Institute of History, Kraków. He has authored many publications on the history of Ukraine and Polish-Ukrainian and Polish-Soviet relations. The Polish edition of this book, Miedzy prometeizmem a Realpolitik: II Rzeczpospolita wobec Ukrainy Sowieckiej, 1921-1926, was awarded the prestigious Waclaw Felczak and Henryk Wereszycki Prize.