Aaron Blaise is an American painter, animator, film director and art instructor. He is known for his work on Brother Bear, Aladdin and Beauty and the Beast. He was nominated for Academy Award for Best Animated Feature Film for the Brother Bear. see wikipedia.
Now, you can buy The Art of Aaron Blaise: Vol. 1 (Book) for a price of 45$ from this webpage.
The book is Hard Cover and comes with 200 Pages (or more) of High Quality Images.