Ester graphic novels are a teaching material, its most important part being a series of dramatized stories about the Jewish victims killed in the Jewish Camp at Sajmište (Judenlager Semlin) near Belgrade. The stories focus on young victims and their families, their pre-war life, the life under the German occupation and during the Holocaust. The novels are based on real historical characters, true historical events, testimonies, historical documentation and material. An international team of experts worked together on creating the stories in order to preserve historical accuracy, the illustrations being a creation of an international team of artists.