International bestselling author Patricia Cornwell delivers pulse-pounding thrills in the first book in a series featuring a brilliant and unusual new heroine, cutting-edge cybertechnology, and stakes that are astronomically high. On the eve of a top secret space mission, Captain Calli Chase detects a tripped alarm in the tunnels deep below a NASA research center. A NASA pilot, quantum physicist, and cybercrime investigator, Calli knows that a looming...

Twin girls Sarit and Allie have always been coached in basketball by their father, but now that their parents are divorced and he has moved away, Sarit is unhappy playing on the school team, and resentful that her sister still enjoys the game.

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.

Joachim von Hartmann was born and raised in Buenos Aires by his loving German mother, inseparable from his identical twin. When Joachim moves to Paris with his mother in his late teens, his twin stays behind and enters a dark world. Meanwhile, Joachim begins training to be a butler, fascinated by the precision and intense demands and goes on to work in some of the grandest homes in England. His brother never reappears. Olivia White has given ten years...

Twins Astrid and Apollo are excited to be going to the Hmong July Fourth Soccer Festival, but when they are told to babysit their baby sister, Eliana, it looks like they will miss the particular match their father is interested in--especially as they cannot figure out what the "yummy milk" Eliana demands is, and are forced to spend their money on buying different treats to keep her from throwing a tantrum.

March and Jules are teenage twins, following in their father's footsteps as jewel thieves, but when their latest job goes wrong they end up with one jewel, a sapphire called the Morning Star, one of three cursed jewels--and the only way they can break the curse is to elude the FBI, Interpol, and a gang of international criminals, find the other two jewels, and reunite them.

Maren has been very close to her mother, so she is not happy when she discovers that she will soon have a new stepfather, and when she meets his twin children she is not sure that even her three friends, Delaney, Ashley, and Willow, can pull her through--especially after the twins shave Ashley's dog Coco during a particularly disastrous sleepover.

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

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 to...

In the aftermath of a sabotaged NASA rocket launch gone, Captain Calli Chase comes face-to-face with her missing twin sister, as well as the startling truth of who they really are. Now a top secret program put in motion years ago has spun out of control, and Calli embarks on a frantic search for the missing link between the sabotaged rocket launch and her predetermined destiny. But it's a search that someone else is very interested in stopping.