Prequel to 1636: The Viennese Waltz. The Barbies are rising. After their West Virginia town is transported to 1630s continental Europe, a group of teenage girls discover that bringing future technology and future business practices to a backward Europe just emerging from the Middle Ages can be very lucrative indeed—and might even change the course of empire.

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Eric Flint is a modern master of alternate history fiction, with over three million books in print. He’s the author/creator of the multiple New York Times best-selling Ring of Fire series starting with first novel 1632. With David Drake he has written six popular novels in the “Belisarius” alternate Roman history series, and with David Weber collaborated on 1633 and 1634: The Baltic War and latest Honorverse series entry Cauldron of Ghosts. Flint's latest Ring of Fire novel is 1636: The Ottoman Onslaught. Flint was for many years a labor union activist. He lives near Chicago, Illinois.

Charles E. Gannon is the author of Compton Crook Award winning, Nebula nominated novels Fire with Fire, Trial by Fire, and Raising Caine, in the Caine Riordan series. He is the coauthor with Eric Flint of 1636: The Papal Stakes and 1636: Commander Cantrell in the West Indies in Eric Flint's best-selling Ring of Fire series. With best-selling Steve White, Gannon is the coauthor of Starfire series entries Extremis, and Imperative. Gannon is also the author of multiple short stories. He is a member of SIGMA, the "SF think-tank" which has advised various intelligence and defense agencies since the start of the millennium. Chuck lives near Annapolis, Maryland with his wife and children.