Otto Frank published Anne's diary in 1947, and it has since become one of the most famous and important books of the 20th century. "The Diary of a Young Girl" has been translated into more than 60 languages and has sold millions of copies worldwide.

While in hiding, Anne kept a diary where she recorded her thoughts, feelings, and experiences. She wrote about the difficulties of living in close quarters with others, her relationships with her family and the others in the annex, and her hopes and fears for the future.

Tragically, Anne's diary entries came to an abrupt end on August 4, 1944, when the Nazis discovered the secret annex. Anne, her family, and the others were arrested and deported to concentration camps. Anne and her sister Margot died of typhus in the Bergen-Belsen camp in February 1945.

"The Diary of a Young Girl," also known as "The Diary of Anne Frank," is a personal and emotional account of a young girl's experience during World War II. The book is a compilation of diary entries written by Anne Frank, a Jewish girl who lived in Amsterdam with her family during the Nazi occupation.