Assuming her twin's identity, Frey works to destroy her father, but when a rebel uprising strands her in a city that comes under attack, Frey must step out of the shadows to find her missing sister and take action against her tyrant father.

The magical world of Artim̌ is gone and the Unwanteds are looking to Alex Stowe for answers, but while his twin brother Aaron continues to build his army in Quill, a very dangerous common enemy is revealed.

After sixteen-year-old Destiny and her twin sister Livvy are turned into partial vampires at a summer camp, they try to find the "Restorer," someone who can return them to normal.

Divided by their society into Wanted and Unwanted at thirteen, estranged twin brothers Aaron and Alex have both run into trouble--as mage of Artime, Alex must defend the island from attack, while Aaron continues to scheme to take over the islands and get rid of the Unwanteds altogether.

In this gripping sequel to Conspiracy Game, Ken Norton, an expert assassin and a GhostWalker warrior, must rescue a fellow GhostWalker when she is taken hostage, but his mission takes a deadly turn when they both become pawns in a game of life-and-death.

In a society that purges thirteen-year-olds who are creative, identical twins Aaron and Alex are separated, one to attend University while the other, supposedly eliminated, finds himself in a wondrous place where youths hone their abilities and learn magic.

When a set of priceless paintings by Leonardo da Vinci and Rembrandt go missing in Russia, the Kidd siblings head to St. Petersburg and the wild Arctic tundra to find the bad guys and locate the treasure.

"Twelve-year-old twins Bickford and Rebecca Kidd and their two older siblings travel to Africa to track down priceless artifacts that will keep the family's treasure hunting business afloat long enough to rescue their kidnapped mother--and possibly find their missing father"--

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.

Raised to be her twin sister Rafia's body double and bodyguard, but now with new face and body Frey and her lover Col are determined to return to Shreve to rescue Boss X, a friend and ally in the rebellion of the free cities against people like Frey's father, ruthless ruler of Shreve; but Frey is troubled by things even beyond the dangers of her mission-- confusion over her own identity, guilt over having killed her brother (even if he was trying...