Urville, the capital of a large island province, has a population of nearly 12 million, making it the one of the most significant cities in Europe. It is also entirely imaginary. Gilles Trehin, an autistic man with exceptional creative talents and an obsession with large cities, conceived and developed Urville over the course of 20 years. He shares his vision in this beautifully illustrated guide to the city, which he renders convincingly real in nearly 300 drawings of different districts of Urville. He describes, in remarkable detail, the architectural styles of its individual buildings and...