Oh geez. My favorite book is usually the one I'm reading. However, if I have to pick a couple..
Harry Potter, obviously
The Mortal Instruments by Cassandra Clare
Anything by Jennifer Armentrout
Anything by Sarah J Maas
Vampire Academy by Rachel Mead
Jellicoe Road by Melina Marchetta
"Outside of a dog, a book is mans best friend. Inside of a dog it's too dark to read"
"The universe is a big place. Perhaps the biggest"
"Two wrongs don't make a right but they make a good excuse"
"I can levitate birds. No one cares"