IN THE LAND OF PORTALCRAFT, EVERY STEP IS DANGEROUS. AND THE MASTER MAP IS POWER. Willow Erifson's best friend jumped off a cliff one day and dared her to follow. Trying to save him, she did...only to end up a world or two over. A world where the residents joke, "Where did the time go? Down a portal again?" Because this entire land is littered with portals, mostly unmapped and unseen. Trust does not exist here. Not since one race killed off another. Since the master mapmaker vanished with the greatest map ever made. And since the people split between two opposing sources of power: reason and chaos. Willow doesn't understand. No one back home on her island believed life existed beyond their borders—except her shadowy friend. Who simply showed up one day, his memory lost. From the start, everyone else hated Zephyr's presence: commanding, brilliant, and proud....