Relates the story of Irena Sendler, a Polish Catholic social worker who helped rescue nearly 2,500 Jewish children from the Warsaw Ghetto in Nazi-occupied Poland during World War II. Includes an afterword, author's note, sources, and a glossary. Interest Level: 3-6 Reading Level: 6.2 ATOS Book Level: 5.9 AR Interest Level: LG AR Points: .5 AR Quiz: 148702EN Reading Counts Level: 9.3 Reading Counts Points: 2 Lexile Measure: 1040.