Name three books written by J. K. Rowling.
1. Harry Potter and the Philosopher's Stone
2. Harry Potter and the Chamber of Secrets
3. Harry Potter and the Prisoner of Azkaban
Complete the following task based on the instruction and optional input provided.### Instruction:
Name three books written by J. K. Rowling.

### Output:
1. Harry Potter and the Philosopher's Stone
2. Harry Potter and the Chamber of Secrets
3. Harry Potter and the Prisoner of Azkaban