"Iris Walsh saw her twin sister, Piper, get kidnapped--so why does no one believe her? Iris narrowly escaped her pretty, popular twin sister's fate as a teen: kidnapped, trafficked and long gone before the cops agreed to investigate. With no evidence to go on but a few scattered memories, the case quickly goes cold. Now an adult, Iris wants one thing--proof. And if the police still won't help, she'll just have to find it her own way; by interning...

Cash, Fitch, and Bird Thomas are three siblings in seventh grade together in Park, Delaware. In 1986, as the country waits expectantly for the launch of the Space Shuttle Challenger, they each struggle with their own personal anxieties. Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main. And Bird, his twelve-year-old...

Twins, Grace and Marty, along with a mysterious uncle, are dropped into the middle of the Congolese jungle in search of their missing photojournalist parents.

When Alfie McQuinn, the notorious jewel thief, is killed on a job, his last words to his son, March, are to "find jewels" and this instruction leads the boy to Jules, the twin sister he never knew he had--and the perfect partner to carry on the family business.

In Rainbow Rowell's Fangirl, Cath is a Simon Snow fan. Okay, the whole world is a Simon Snow fan, but for Cath, being a fan is her life--and she's really good at it. She and her twin sister, Wren, ensconced themselves in the Simon Snow series when they were just kids; it's what got them through their mother leaving. Reading. Rereading. Hanging out in Simon Snow forums, writing Simon Snow fan fiction, dressing up like the characters for every movie...

With interference and suggestions from his twin sister Janet, four-year-old Jimmy sets out to dig the biggest hole in the world.

"World War II is over, but the Honeycutt family is still feeling its devastating effects. Especially Daddy, who can't forget what he saw on the battlefield and sometimes can't cope with everyday life. Fourteen-year-old Ellie Honeycutt finds escape at the NASCAR speedway and in her dreams of travel and college. Her twin sister, Ida, clings to family and finds solace in her sketchbook. Once inseparable, the two sisters find themselves growing apart...

Anne Ursu, author of the National Book Award nominee The Real Boy, returns with a story of the power of fantasy, the limits of love, and the struggles inherent in growing up. When you're an identical twin, your story always starts with someone else. For Iris, that means her story starts with Lark. Iris has always been the grounded, capable, and rational one; Lark has been inventive, dreamy, and brilliant--and from their first moments in the world...

Bradley, Brian, Nate, and Lucy visit a haunted hotel on Halloween, but once inside they realize that they have seen plenty of people going in and none coming back out.

After finding a mysterious handmade field guide in the attic of the ramshackle old mansion they've just moved into, Jared; his twin brother, Simon; and their older sister, Mallory, discover that there's a magical and maybe dangerous world existing parallel to our own--the world of Faerie. The Grace children want to share their story, but the faeries will do everything possible to stop them....