The million

"Every thirty years, ten billion visitors overrun Earth during one month of madness: partying, polluting, and brawling. In between, the world is ruled by the Million; the inheritors and custodians of all of humanity's wealth and history, they lead unimaginable lives of privilege and wealth, and they see it as their due. Gavin Penn-of-Chaffee is an illegal child--a visitor hidden among the Million. When the family that raised him in secret is torn apart, Gavin must impersonate a dead boy to survive. What he doesn't know is that his new identity is expected at the School of Auditors--the…