There are 4 books in the Seven Realms series. The newest book is The Crimson Crown which came out in 2012.

1
The Demon King

Book cover of The Demon King
New York Times bestselling author Cinda Williams Chima presents the first installment in a thrilling new fantasy series, in which the lives of Han Alister and the brave Princess Raisa collide in a magical and dangerous adventure.
One day Han Alister catches three young wizard setting fire to the sacred…
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2
The Exiled Queen

Book cover of The Exiled Queen

The second book in an epic fantasy series from Cinda Williams Chima. Adventure, magic, war and ambition conspire to throw together an unlikely group of companions in a struggle to save their world.

You can't always run from danger...

Haunted by the loss of his mother and sister, Han Alister…

3
The Gray Wolf Throne

The Gray Wolf Throne

The third book in the critically acclaimed Seven Realms epic fantasy series from Cinda Williams Chima.

Han Alister thought he had already lost everyone he loved. But when he finds his friend Rebecca Morley near death in the Spirit Mountains, Han knows that he must save her, no matter what…

4
The Crimson Crown

Book cover of The Crimson Crown

The stunning final book in the critically acclaimed Seven Realms epic fantasy series from Cinda Williams Chima

A thousand years ago, two young lovers were betrayed - Alger Waterlow to his death, and Hanalea, Queen of the Fells, to a life without love.

Now, once again, the Queendom of the…