From the back of the book:
Discover a city filled with endless adventure
Hop aboard a skycoach and hurl yourself into adventure amid the soaring towers of Khorvaire's most spectacular city. Plunge into perilous aerial battles. Embark on deadly expeditions, through the bowels of the city. For those bold enough to seek it, the City of Towers promises limitless excitement, danger, game, and fortune.
Inside this book, you'll find all the details you'll need to explore the awe-inspiring city of Sharn--a cornerstone of the Eberron campaign setting:
Descriptions of over 100 city districts
More than a dozen new guilds and organizations with over 30 fully developed NPCs ranging from specific individuals to generic citizens
New feats, spells, prestige classes, magic items, and monsters
Detailed maps of Sharn and various locations around the city
Expanded by;
Lyrandar Tower