These sorts of stories have been and continue to be written by English and American authors as well, from Mark Twains A Connecticut Yankee in King Arthurs Court to the 1980s American television show Quantum Leap. But they are neither numerous nor popular enough to have coalesced into an identifiable genre. By ?genre I do not mean simply a set of familiar tropes (the Anglo-American stories certainly have those), but rather a set of expectations of narrative pleasures that a given exemplar of the genre should rightly fulfill