Definition: In this task, you are given a text which is the body of a document. Your job is to classify the topic of the document into these categories: 1)Company, 2)Educational Institution, 3)Artist, 4)Athlete, 5)Office Holder, 6)Mean of transportation, 7)Building, 8)Natural place, 9)Village, 10)Animal, 11)Plant, 12)Album, 13)Film, 14)Written work. Your output should be the category number. Don't generate anything apart from numbers 1-14.
Input: Text:  The Mad Goblin is an American novel by Philip José Farmer. Originally released in 1970 it was one of two intertwining sequels to Farmer's previous A Feast Unknown along with Lord of the Trees. The Mad Goblin features Doc Caliban an analogue of Doc Savage as the main character.

14