From New York Times bestselling author Neal Shusterman comes a young adult thriller about a world where happiness becomes contagious and the teens caught in the conspiracy by the powers that be to bring back discontent.

An unprecedented condition is on the rise. It behaves like a virus, with the first symptom being a fever, but those who contract it experience long-term effects no one has ever seen utter contentment. Soon after infection, people find the stress, depression, greed, and other negative feelings that used to weigh them down are gone.

Almost everyone revels in this mass unburdening. But people in power—who depend on malcontents tuning into their broadcasts, prey on the insecure to sell their products, and convince people they need more, new, faster, better everything—know thi...

From New York Times bestselling author Neal Shusterman comes a young adult thriller about a world where happiness becomes contagious and the teens caught in the conspiracy by the powers that be to bring back discontent.

An unprecedented condition is on the rise. It behaves like a virus, with the first symptom being a fever, but those who contract it experience long-term effects no one has ever seen utter contentment. Soon after infection, people find the stress, depression, greed, and other negative feelings that used to weigh them down are gone.

Almost everyone revels in this mass unburdening. But people in power—who depend on malcontents tuning into their broadcasts, prey on the insecure to sell their products, and convince people they need more, new, faster, better everything—know thi...