Counterclockwise - Imagine a universe where, on November 5, 1605, Guy Fawkes's Gunpowder Plot was successful. The explosion resulted in a schism that split the British Prime Universe into two more planes of existence: one that went forwards in time (clockwise), and one that went backwards (counterclockwise, or widdershins). On All Hallows Eve every year, the bonds between these multiverses are strong enough to pull a body from one plane of existence to the other.
Edith Hornby lives in the clockwise universe--Edward Moriarty lives widdershins. But they meet often enough throughout their lives to form a bond even stronger than that which holds the universes together...
Alethea Kontis is the bestselling author of the Books of Arilland, including the Woodcutter Sisters and The Trix Adventures.