Jump by Sean Williams tells the story of Clair, anverages a 17-year-old who lives in Maine, goes to school in California, has a best friend who lives somewhere in Sweden, and has a crush on a boy who lives in Shanghai. This is possible becouse of transportation known as d-mat, which moves people all over the world in minutes.
when Clair's best friend Libby hears about a way to improve her self . she becomes determined to change herself. Clair is determined to get her friend back and soon finds herself in the world of Stainers who abstain from using the d-mats.
One of those who help Clair is Q who seems to live only in the virtual world of information called Air that everyone is connected to. Clair also becomes friends with a Stainer boy named Jesse who has gone to school with her since they were young but who had always been an outsider.
The story is filled with action as Clair is on the run trying to get away from numerous enemies. She doesn't know who she can trust.
Clair lives in a world revolutionised by d-mat, a global teleport system that allows people to transport themselves instantaneously around the world. When a coded note promises Improvement -the chance to change your body any way you want, making it stronger, taller, more beautiful - Clair thinks it's too good to be true, but her best friend, Libby, is determined to give it a try.
What starts as Libby's dream turns into Clair's nightmare when Libby falls foul of a deadly trap. With the help of Jesse, the school freak, and a mysterious online friend called Q, Clair's attempt to protect Libby leads her to an unimagined world of conspiracies and cover-ups. Soon her own life is at risk, and Clair is chased across the world in a desperate race against time.
Allen & Unwin