Rachel A Koestler-Grack

Rachel A. Koestler-Grack is an American author known for writing children's and young adult nonfiction, especially biographies and history titles on figures and events such as Malcolm X, Annie Oakley, the Kent State tragedy, and the Sioux. Library and book records identify her as Rachel A. Koestler-Grack, born in 1973, but do not provide a publicly documented official biography in the available sources.[1][3][4][6][7][10][11][14]