[[He examines them closely. The water level is parallel to the top of the glass, not to the horizon. (books: The Compleat Soap on a Rope, Chopping Block by Lee Adam Herold, and ???]]

[[BoxJam, the table, books and glass now go sliding off in the direction of the new horizon, which has also tilted.]]

{{Someone complained with this comic that I had it wrong - I should have had everything fall perpendicular to the water level, because of the center of gravity being perpendicular to the water level. I'm not sure how to argue what the proper result is in intentionally bad physics.}}