Tesla's inventions have rewritten history. Just how much has been rewritten, Elina and Tipp Cavalier are about to find out. On the run from an unknown force, the Cavalier children find themselves, once again, in over their heads. Can the past be rewritten? Is the future etched in stone? Time will tell. This is the exciting sequel to The Tesla Connection, which found brother and sister Tipp and Elina Cavalier hurled back in time, after inadvertently switching on a machine of Nikola Tesla's making. But time travel has consequences. . . .