War Diary In February 2022, artist Olga Grebennik began keeping a diary in which she recorded the events, life and feelings of wartime. These drawings turned out to be a unique document of our era. She was born in 1986 in Kharkov. Since 2015, she has been working as an illustrator of children's books. Olga's paintings are in private collections in 22 countries. She is the mother of two children. In February 2022, she began keeping a diary in which she recorded the events, life and feelings of wartime. The first edition of the "War Diary" was published in South Korea, the circulation was sold out in 24 hours. The book was also published in Romania, Germany, Italy, Finland, Japan, and Taiwan.