Galaxy tells the rich scientific story of the evolution and our observation of galaxies. Written by an active researcher in the field, Galaxy: Mapping the Cosmos tells the rich scientific story of galaxy evolution and observation — discoveries of 'spiral nebulae', the nature of galaxies and the current `World Model'. Astronomer James Geach takes us on a tour of what is currently known and unknown, discussing why the ancient science of astronomy continues to fascinate humanity. Appealing to all readers interested in astronomy and cosmology, and featuring 108 superb colour photographs, Galaxy explores the enigma of our cosmic habitat, chronicling how our home in the Universe came to be. 'Book of the Month...an enthralling, detailed and beautiful look at one of the most challenging and exciting areas of modern astronomy, and a great addition to any enthusiast's library' — Sky at Night Magazine