"Well, she was. But we thought she'd be a girl in both instances. When
her time direction was reversed, so was her sex. _Mark and Summer were
the same person!_"
I gasped. Wyn took a piece of hotel stationery from the rickety desk
and scratched a zigzag on it with his pen. It was a figure like the one
he had drawn in the library of our home, except that the top arm of
this Z was very short.