The veil between the earth and all else is particularly thin tonight, and Gabriella is sneaking through the ancient corridors beneath the university. She and her companions are searching for an ancient tome bound in sickly yellow leather that will let them conjure magic more powerful than she has ever called upon before. Such books are known to be protected by horrific curses, and what’s more, the spell must be cast in the deathly chamber of the Yellow King, where evil is known to dwell.