On her first day of school, Rachel Griffin discovers her perfect memory allows her to see through the spell sorcerers use to hide their secrets. Very soon, she discovers that there is a far-vaster secret world hiding from the Wise in precisely the same manner that the magical folk hide from the mundane folk.When someone tries to kill a fellow student, she investigates. Rushing forward where others fear to tread, Rachel bravely faces wraiths, embarrassing magical pranks, mysterious older boys, a Raven that brings the doom of worlds, and at least one fire-breathing teacher.