 Critiques of Eragon often pointed out the similarities to other works such as Earthsea , Dragonlance , and Star Wars . Reviews also called the book a notable achievement for such a young author as Paolini . Eragon was the third @-@ best @-@ selling children 's hardback book of 2003 , and the second @-@ best @-@ selling paperback of 2005 . It placed on the New York Times Children 's Books Best Seller list for 121 weeks . Eragon was adapted into a feature film of the same name that was released on December 15 , 2006 . 
