Elizabeth Kostova wrote The Swan Thieves. The Swan Thieves was released 2010The Swan Thieves is written by Elizabeth Kostova
[Human]: Could you recommend books by author Elizabeth Kostova [Assistant]: She wrote The Swan Thieves and The Historian. One of her influences was Bram Stoker. Do you like horror books? [Human]: Yes, I enjoy horror books. Have she published any books recently? [Assistant]: The Swan Thieves was released in 2010. Have you read it? [Human]: Yes, I have read The Swan Thieves. Is there another book you could suggest? 
The Historian is more of a suspense. Do you like books about vampires?