Fullmetal Alchemist is a popular shounen serie created by Arakawa Hiromu and was published from 2001 to 2010. The manga also got 2 anime adaptations and 2 movies.
All the artwork from Arakawa Hiromu is bundled together in one big art book: The Complete Art of Fullmetal Alchemist. There's a lot of artwork which are all colored in and categorized per year, so it's really fun to see the evolution of her artwork. Every piece of artwork also has a small caption where the artwork first was seen.
If you're a fan of Fullmetal Alchemist, or like great art. Then it's the perfect artbook for you, it's really big for its retail price (English ver: ~35 dollars).