Cassandra merely shushes him when he laughs, unwilling to risk a playful shove while he still recovers, but rolling her eyes with a smile and drawing his attention back to the page as soon as she can.

She bites her lip to hold back her grin; there is, in fact, a hidden room - what kind of castle would it be if there was not? - but she's hardly going to tell him that.

"You will merely have to read on, and see," she tells him smugly, and arches an eyebrow in thought. "What do you stand to lose, betting against yourself?"