Universe (Close Encounter of the Bird Kind)
From Jenny Everywhere Wiki
In one universe, the Arthurian mythos was substantially real, unfolding in Wales in the late 6th century C.E..
A Jenny Everywhere from another universe became entangled with this history after she met a young Merlin when he was still known as Ambrosius. (PROSE: Close Encounter of the Bird Kind, The Interlude of Jenny Everywhere)