Rare set 4 books Holocaust Children True Stories

Rare set 4 books of true stories and memoirs of children if the Holocaust. In condition except for 2 older ones which have some damage on the spines. Please refer to photos for close up details. Here are the titles and authors for each book: I Am a Star: Child of the Holocaust - Inge Auerbacher Heroe of the Holocaust: True Stories of Rescues by Teens - Allan Zullo and Mara Bovsun The Hidden Girl: A true Story of the Holocaust - Lola Rein Kaufman Survivors: True Stories of the Holocaust - Allan Zullo and Mara Bovsun Each books is about 7.5 in x 5.5 in Combined weight is 495 grams