Somewhat medieval in style.

Alanna: The First Adventure (Song of the Lioness, #1)
The Chronicles of Narnia (Chronicles of Narnia, #1-7)
The Raven Boys (The Raven Cycle, #1)
The Lord of the Rings
Dragonflight (Dragonriders of Pern, #1)
A Game of Thrones (A Song of Ice and Fire, #1)
Dealing with Dragons (Enchanted Forest Chronicles, #1)
Trickster's Choice (Daughter of the Lioness, #1)
The Once and Future King (The Once and Future King, #1-4)
The Lions of Al-Rassan
The Divine Comedy
The Mists of Avalon (Avalon, #1)
Arthurian Romances