Akiko and the Great Wall of Trudd

In order to complete their mission, Akiko, Mr. Beebam, Spuckler, Gax, and Poog must scale the Great Wall of Trudd, which is larger than the Great Wall of China, but the gang soon learns that the Great Wall of Trudd is just one of the many bizarre obstacles they must overcome to rescue Prince Froptoppit. Reprint.