"For her entire life, FBI agent Atlee Pine has been searching for her twin sister, Mercy, who was abducted at the age of six and never seen again. Mercy's disappearance left behind a damaged family that later shattered beyond repair when Atlee's parents inexplicably abandoned her. Now, after a perilous investigation that nearly proved fatal, Atlee has finally discovered not only the reason behind her parents' abandonment and Mercy's kidnapping, but...

Ex-cop Cat O'Connor is bored working for her sister, Chloe, as a personal assistant on the set of her soap opera. Until Chloe gets an opportunity to audition for the role of a lifetime and asks her identical twin to substitute for her on the soap with no one the wiser. It's a perfect switch-until Cat attracts the attention of the mysterious Mr. Tall, Dark, and Way-too-handsome leading man.

'My sister was abducted from here nearly thirty years ago. The person who took her was never found. And neither was she. Her abductor nearly killed me. So I'm back here now trying to find the truth.' Atlee Pine has spent most of her life trying to find out what happened that fateful night in Andersonville, Georgia. Her six-year-old twin sister, Mercy, was taken and Atlee was left for dead while their parents were apparently partying downstairs. One...

It's 1944 when the twin sisters arrive at Auschwitz with their mother and grandfather. In their benighted new world, Pearl and Stasha Zagorski take refuge in their identical natures, comforting themselves with the private language and shared games of their childhood. As part of the experimental population of twins known as Mengele's Zoo, the girls experience privileges and horrors unknown to others, and they find themselves changed, stripped of the...

"From the outside, everyone might think Fern and Rose are as close as twin sisters can be: Rose is the responsible one, with a home and a husband and a fierce desire to become a mother. Fern is the quirky one, the free spirit, the librarian who avoids social interaction and whom the world might just describe as truly odd. But the sisters are devoted to one another and Rose has always been Fern's protector from the time they were small. Fern needed...

Jane Pool likes her safe, suburban existence just fine. She has a house, a family, (an infuriating mother-in-law, ) and a quiet-if-unfulfilling administrative job at the local college. Everything is wonderfully, numbingly normal. Yet Jane remains haunted by her past: her mercurial, absent mother, her parents' secrets, and the act of violence that transformed her life. When her estranged twin, Lila, makes contact, claiming to know where their mother...

"Olive Torres is used to being the unlucky twin: from inexplicable mishaps to a recent layoff, her life seems to be almost comically jinxed. By contrast, her sister Ami is an eternal champion ... she even managed to finance her entire wedding by winning a slew of contests. Unfortunately for Olive, the only thing worse than constant bad luck is having to spend the wedding day with the best man (and her nemesis), Ethan Thomas. Olive braces herself...

"All Harriet Szs̀z has ever known is life onstage with her twin sister, Josie. As "The Sisters Sweet," they pose as conjoined twins in a vaudeville act conceived of by their ambitious father and managed by their practical mother, who were once theatrical stars in their own rights. Then, in an explosive act, Josie exposes the fraud in a spectacular fashion and runs away to Hollywood. The family retreats to Chicago, where Harriet must figure out how...

Jane Morgan is a valued member of her law firm--or was, until a prudish neighbor, binoculars poised, observes her having sex on the roof of her NYC apartment building. Police are summoned, and a punishing judge sentences her to six months of home confinement. With Jane now jobless and rootless, trapped at home, life looks bleak. Yes, her twin sister provides support and advice, but mostly of the unwelcome kind. When a doorman lets slip that Jane isn't...

"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 premiere. Cath's sister has...