Dr Wolfgang Steinicke, FRAS, is a committee member of the Webb Deep Sky Society and Director of its Nebulae and Clusters section, a core team member of the international NGC/IC Project, Head of the History Section of the VdS, Germany's largest national association of amateur astronomers, and a member of the Working Group for the History of Astronomy of the Astronomische Gesellschaft. He frequently gives conference talks and courses, and contributes to astronomical magazines. This is his fourth book.