Excuse me are you Jewish? With these words the relentlessly cheerful ideologically driven emissaries of Chabad-Lubavitch approach perfect strangers on street corners throughout the world in their ongoing efforts to persuade their fellow Jews to live religiously observant lives. In The Rebbes Army award-winning journalist Sue Fishkoff gives us the first behind-the-scenes look at this small Brooklyn-based group of Hasidim and the extraordinary lengths to which they take their mission of outreach.