After the war, these photographers – people like Emmy Andriesse, Cas Oorthuys, Charles Breijer, Marius Meijboom, Ad Windig and Krijn Taconis – became household names. Their poignant photo’s made a lasting mark on the collective memory of the occupation. Yet, for a long time, not much was known about their methods, their organization, and the nature and scope of their work. This book, based on new archival research, offers insight into the perilous mission of The Underground Camera and their unique contribution to Dutch history and the history of photography.