The book "Descriptions of Ancient Customs of Eastern Finnish Counties 1: Celebrating Christmas" by the famous author Johannas Hyähä is an in-depth study and collection of scenes from the history of celebrating Christmas in the eastern regions of Finland. The book reveals unique and interesting traditions, household customs and rituals that accompanied this holiday in the past. The author describes in detail what Christmas looked like in ancient times, celebrated by peasants and townspeople, talking about typical dishes, entertainment and rituals that added a special flavor to the festive mood. This book offers the reader a deeper understanding of the history and culture of these little-known regions, as well as an understanding of the spirit and traditions that are rooted in the history of the Eastern Suomi.