It has a brilliant hook of a first sentence - "Later, as he sat on his balcony eating the dog, Dr Robert Laing reflected on the unusual events that had taken place within this huge apartment building during the previous three months."
Ballard seems to explore two main aspects of human psychology in the book. The often examined nature for setting societal strata - even in a building containing purely high income professionals, the residents set about dividing the floors into groups with higher ranking upper classes on the top floors and the "proletariat" with children at the bottom. Social subdivisions are based on power, capital and self-interest.