"In the near-future United States, a one-child policy is ruthlessly enforced. Everyone follows the Rule of One. But Ava Goodwin, daughter of the head of the Texas Family Planning Division, has a secret--one her mother died to keep and her father has helped to hide for her entire life. She has an identical twin sister, Mira. For eighteen years Ava and Mira have lived as one, trading places day after day, maintaining an interchangeable existence down...

After years of being kicked around, Greg, Alec, and Oscar are ready to take control of their lives. Greg decides to put the controversial science he's been studying to the test. Alec launches a master plot to expose his golden sister for the spoiled brat he knows she is. And Oscar, ever the miniature grown-up his mom needs him to be, decides to take something he wants... even though he knows it's wrong. But as these three will learn, control is a...

A deadly, mysterious epidemic is sweeping the country, and young kidnap victim Callie is one of the few who survived infection, only to be sacrificed by her captors at a secret lab working with antimatter; her older brother Kai is desperate to find out what happened to her--his best hope lies with Shay, the girl who last saw Callie alive, and together they will seek answers, even if it means evading soldiers and crossing the quarantine zone.

Ten-year-old Della has always had her older sister, Suki: When their mom went to prison, Della had Suki. When their mom's boyfriend took them in, Della had Suki. When that same boyfriend did something so awful they had to run fast, Della had Suki. Suki is Della's own wolf--her protector. But who has been protecting Suki? Della might get told off for swearing at school, but she has always known how to keep quiet where it counts. Then Suki tries to...

Longing to prove herself to her legendary warrior sisters, Diana risks exile when she saves Alia, a Warbringer.

Tandy Angel is, along with her brothers, a suspect in their parents' murder but having grown up under Malcolm and Maud Angel's perfectionist demands, Tandy decides she must clear the family name no matter what.

In a world that is rapidly descending into chaos, Frey and Rafi are twin sisters, but few people know of Frey's existence, because she has been raised to be her sister's body double and lethal bodyguard, while Rafi has been raised to further the family's political power--but when their father sends Frey in her sister's place as collateral in a tricky deal, Col, the son of a rival leader, gets close enough to begin to suspect something, and Frey must...