A few hours later, Zoe joined the Mapwalker team in the Gallery of Geographical Maps. She looked around with fascination at the long corridor, its walls painted with bird’s-eye scenes of distant lands. Each was a portal, a simple way to travel through space and time with minimal use of Mapwalker magic. They stood in front of a map of modern Egypt, made notable by the disruption of the Nile by Lake Nasser, but Zoe could see traces of another layer beneath, a magical map that would allow them to travel through. Now she had learned to shift her vision, she could not unsee the contours of the world beneath the real. It gave her a mild sense of vertigo even at this level. How much more would she feel if she navigated the threads below? She tried to quash her fear, digging her nails into her pa

