Eighteen-year-old identical twins Alice and Rachel have always shared a very special bond, so when one is abducted the other uses their connection to try to locate her.

In a small town, as high school graduation approaches, two conjoined sisters must weigh the importance of their dreams as individuals against the risk inherent in the surgery that has the potential to separate them forever.

On the planet of Petaybee, when a visiting scientist discovers the shapeshifting talents of the Shongili twins, who are able to tranform from human to seal and back, the twins are in danger of kidnapping and must flee their home.

Traumatized by the kidnappings of her twin three-year-old girls, only one of whom was recovered, a mother begins a desperate search when her returned daughter claims that the other twin, believed dead, is still alive and in mortal danger.

"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."--

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.

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...

Twins Nikki and Maya Younger always agreed on most things, but as they head into their senior year they react differently to the gentrification of their Portland, Oregon, neighborhood and the new--white--family that moves in after their best friend and her mother are evicted.