When Jasper and Rosa are assigned to appease the many ghosts haunting the school in Ingot, they meet powerful new spirit friends and a surprising enemy.

"The tomato gets no respect. Never has. Lost in the dustbin of history for centuries, accused of being vile and poisonous, subjected to being picked hard-green and gassed, even used as a projectile, the poor tomato has become the avatar for our disaffection with industrial foods - while becoming the most popular vegetable in America (and, in fact, the world). Each summer, tomato festivals crop up across the country; the Heinz ketchup bottle, instantly...

Hoping to find his lost brother, Rownie escapes the home of the witch Graba and joins a troupe of goblins who perform in Zombay, a city where humans are forbidden to wear masks and act in plays.