Rulers of Valentia (Hardcover) (ISBN-13: 9798903925858)

Four siblings. A key. And the impossible.

I nodded and followed him. The palace was angelic. The inside of it especially, it had lyrics from old songs imprinted on some of the gray walls, other walls had old scriptures and scrolls on shelves, some had historic paintings on them, but when we reached the throne room, I nearly fainted.The throne was...ethereal. It was black, it had two white wings on each side, it was made of silver, it had two snake armrests, which were the prettiest shade of gray I'd seen in my life.

"Pretty, huh?" Magnus snapped me out of my thoughts.

"That's a word too small.." I whispered.