Best of all is Jeffrey Tifton, son of Arundel’s owner, the perfect companion for their adventures. Icy-hearted Mrs. Tifton is less pleased with the Penderwicks than Jeffrey, and warns the new friends to stay out of trouble. Is that any fun? For sure the summer will be unforgettable.

    She believes that Hitler is helping the world by dealing with what he calls the "Jewish problem." When Korinna discovers that her parents are secretly hiding Jews in their house and helping them to escape the city, she is shocked. And her loyalties are put to an extreme test when a neighbor tips off the Gestapo.