A 12-foot city, brimming with funny details to look out for on every floor.

This fascinating book contains an entire city in height, full of funny details for careful readers. Fully unfolded, this accordion book stretches over 12 feet! At the top of a great megalopolis, a mysterious flying saucer is landing. A Martian emerges to warn a scientist about a threat that is facing the earth. The scientist must descend into the depths of the city as fast as he can... to finally figure out where the danger is coming from!