Meet Rose and Ruby: sisters, best friends, confidantes, and conjoined twins. Since their birth, Rose and Ruby Darlen have been known simply as "the girls." They make friends, fall in love, have jobs, love their parents, and follow their dreams. But the Darlens are special. Now nearing their 30th birthday, they are history's oldest craniopagus twins, joined at the head by as pot the size of a bread plate.
When Rose, the bookish sister, sets out...

On a winter night in 1964, Dr. David Henry is forced by a blizzard to deliver his own twins. His son, born first, is perfectly healthy. Yet when his daughter is born, he sees immediately that she has Down's Syndrome. Rationalizing it as a need to protect Norah, his wife, he makes a split-second decision that will alter all of their lives forever. He asks his nurse to take the baby away to an institution and never to reveal the secret.

But Caroline,

...

In a future world where teenagers are taken, imprisoned, and forced to fight for their survival, well-behaved Cassie will do whatever it takes to save her rebellious twin sister from Death Row.

THRILLER / SUSPENSE. Winner of the 2010 Edgar Award for Best Novel. John Hart's New York Times bestselling debut, The King of Lies, announced the arrival of a major talent. With Down River, he surpassed his earlier success, transcending the barrier between thriller and literature and winning the 2008 Edgar Award for best novel. Now, with The Last Child, he achieves his most significant work to date, an intricate, powerful story of loss, hope, and...

Inexplicable events start to occur when sixteen-year-old twins Tennyson and Brontë befriend a troubled and misunderstood outcast, aptly nicknamed Bruiser, and his little brother, Cody.

While true-crime afficionado Ellery and her twin brother are staying with their grandmother in a Vermont community known for murder, a new friend goes missing and Ellery may be next. Ellery has heard all about Echo Ridge. Her aunt went missing there at age seventeen; only five years ago, a homecoming queen was killed. Now Ellery is living there, with a grandmother she barely knows. Whens someone declares open season on homecoming, another girl goes...

In the early twentieth century in Swampsea, seventeen-year-old Briony, who can see the spirits that haunt the marshes around their town, feels responsible for her twin sister's horrible injury until a young man enters their lives and exposes secrets that even Briony does not know about.

Avoiding relationships to protect her sensitive heart, plus-sized Molly supports her once-cynical twin, Cassie, when the latter has her own bout of lovesickness, a situation that is complicated by sibling dynamics and an unexpected romantic triangle.

Seventeen-year-old Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, while Sutton looks on from her afterlife.

When Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, she finds new suspects at every turn, while Sutton looks on from her afterlife.