The teacher pushes the new computer out of the window- what's going on here? It's just a lesson on the laws of gravity in one of the wacky incidents in this sequel to Sideways Stories From Wayside School. As the outrageous fun continues in a school of classrooms built one on top of the other, the 29 children up on the 30th floor engage in one adventure after another, changing the school routine into something that is far from normal.