Diane Ackerman's gripping true story follows Jan and Antonina Żabiński, the keepers of the Warsaw Zoo during World War II. As Nazi occupation tightens around Poland, the couple transforms their zoo into a secret refuge, hiding hundreds of Jewish refugees in animal enclosures and underground tunnels. Blending meticulous historical research with intimate personal narrative, the book reveals an extraordinary act of courage and compassion amid the horrors of war. A testament to human resilience and the power of defiance in the darkest times.