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...

Twins Maureen and Francine try to distinguish themselves for the first time by pursing separate interests at the beginning of the sixth grade.

Emilia is determined to clear Vittoria's name when she is implicated in the murder of a high-ranking member of a rival demon court--even when her investigation forces Emilia to face the demons of her own past.

Named the guardian of her murdered sister's troubled twins, Luce of 1950s rural North Carolina struggles to build a family with the children and a new romantic prospect before being targeted by the twins' father--her sister's killer--who believes that the children are in possession of a stolen cache of money.

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.

Simon Quinn can have any woman he wants, but he prefers them jaded, worldly, and free of illusions. His life is one of danger and temporary pleasures. An Irish commoner, he has nothing more than his expertise as a lover and mercenary to recommend him and no title, property, or family to redeem him. Lysette Rousseau is a deadly beauty who can seduce or betray with equal skill. She should be just the sort of woman Simon entertains, but something about...

A turn-of-the-century romance set among the upper crust.

Amanda is heartbroken as she watches them drive her beloved twins away. She's resolved to hope and fight for them until her last breath.

Kara and Lizzie are heiresses to one of the largest fortunes in the country. But when their father dies suddenly, the toddlers are taken from the arms of their loving stepmother, Amanda, and given to relatives who only want the children's fortune for themselves.

Kara and Lizzie grow

...

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.

"As the exiled Queen of Faerie, Jude must travel back to Elfhame to help her twin sister, Taryn, and uncover how to break a dark curse threatening the whole Faerie world"--