The Apple King tells the story of a pig whose the King of a castle where a beautiful apple tree grows. The tree is his most prized possession and must receive the upmost care from all his servants. The tree is so precious that he refuses to share its apples with anyone else, and hoards them for himself. One day it is discovered that the apples are ridden with worms. The king tries all his persuasiveness to get the worms to leave, but they refuse without explanation, even forcing his army to back down. When the King comes to encounter one of the worms, the worm explains that they were invited by none other than the tree. The tree invited the worms because she was tired of being appreciated by the king only. In realization that he must share his wonderful fruit if he truly appreciates the tree, the King decides to hold an annual apple festival for the whole kingdom to enjoy.
With a tremendous amount of exceptional artwork the book helps to teach a simple message of sharing. By a situation that isn't immediately recognizable by children, the author cleverly conveys the message that if something is truly special, more joy will come by letting others appreciate it too.