Simplify the following text for a Grade 8 native English-speaking person.
Original: Zlata 's Diary was a diary made by Bosnia and Herzegovina 's Zlata Filipovic .
Simplified: Zlata 's Diary ( ISBN 0-14-024205-8 ) is a book by Zlata FilipoviÄ , who was a young girl living in Sarajevo while it was under siege in 1992 . Zlata wrote her diary ( whom she called Mimmy ) from 1991 to 1993 during the Bosnian war .