Somewhere behind him there is the distinct sound of thumping. It is not, clearly, the sound of a body hitting the hardwood - as it is more than one thump and each one of the more than one thumps do not add up to the body weight of an average 15-year-old. Not even if you add them together. Gideon still startles like it is.

(Not his finest moment, no. But no one can see him, so it's also perfectly fine.)

"False imprisonment," he answers - coughing, once, to get the squeak out of his voice. "At the very least." Then he takes a few steps forward and resists the urge to pick all of the books up off of the floor. For now. For maybe the next thirty seconds.