The first printed books in Ukraine

Where was the first Ukrainian book printed? How were books printed before the advent of printing presses? And why are historians still arguing about who founded the first printing house in Ukraine?
Text and texture: Olga Karakai
Design, animation: Ilona Struzhkova, Anton Donenko
Broadcaster: Arsen Bosenko
Sound director: Evgeny Shashkin
Music: Max Pollul
Editor and producer: Sergey Fomkin