A New York Times Bestseller Orion Book Award winner -- When Germany invaded Poland Stuka bombers devastated Warsaw -- and the citys zoo along with it With most of their animals dead zookeepers Jan and Antonina Zabinski began smuggling Jews into empty cages Another dozen guests hid inside the Zabinskis villa emerging after dark for dinner socializing and during rare moments of calm piano concerts Jan active in the Polish resistance kept ammunition buried in the elephant enclosure and stashed explosives in the animal hospital Meanwhile Antonina kept her unusual household afloat caring for both its human and its animal inhabitants -- otters a badger hyena pups and lynxes