9. Shelob is married to Aragog.

8. Smaug's name would be Norbert.

7. Fangorn Forest is full of whomping willows.

6. Moria is called Gringotts and instead of Moria goblins there are Gringotts goblins.

5. Gandalf has a distant cousin named Dumbledore.

4. Gollum would be shorter, have pointy ears, and strangely resemble a house elf.

3. Sauron has a staring contest with a Basilisk.

2. "...one sorcerer's stone to rule them all, one stone to find them, one stone to bring them all, and in the darkness bind them."

...and the number one way J.R.R. Tolkien’s books would be different if authored by J.K. Rowling is...

1. Sauron killed Frodo's parents.