From the New York Times bestselling author of The Glass Sentence comes a haunting story of one determined girl who will use her razor-sharp wits and martial arts skills to fight killers, predators, and the world’s biggest company to rescue her brother.

“A provoking, striking call to self-reflection.”—Kirkus Reviews, starred review

“Readers, especially lovers of dystopian fiction, will enjoy this book and may just come away wondering, ‘what if . . . ?’”—School Library Connection

In a world where only the rich can afford emotions, what is the cost of love?

The time is now. The place is San Francisco. The world is filled with adults devoid of emotion and children on the cusp of losing their feelings—of “waning”—when they reach their teens.

Natalia Peña has already waned. So why does she love her little brother with such ferocity that, when he’s kidnapped by a monolithic corporation, she’ll do anything to get him back?