Kate is the eldest Wibberly child. She ends up with the Atlas, the book of time, and she only first realizes how to use it when she ends up traveling into the past to get rid of a screecher that has attatched itself to her arm in order to save Michael and Emma. Kate gets stuck in the past when she passes out, and cannot get back home. She meets a boy named Rafe, whom she ends up falling deeply in love with, but ends up becoming the Dire Magnus to save her life. She returns home, dead, but Michael brings her back to life, and she ends up having to kill Rafe to save her family and the world.