Context: His whistle slowed questioningly as he looked around . The kitchen , which was situated by the door , was empty , as was the living room . I 'll just leave the book where Kai can find it , he decided , and stepped into the kitchen , closing the door firmly behind him . He was about to leave it on the counter , but then he spotted the freshly baked tarts . Immediately his mouth began to water .
Question: Why might the narrator be leaving a book ?
Option 0: He thinks Kai will enjoy it
Option 1: He wrote it himself
Option 2: He wants Kai to pay him for it
Option 3: He does not want it any more
Answer: 0