As the sixth installment in the Harry Potter saga makes its way to the best-seller list the publisher has released the book's cover art.

"Harry Potter and the Half-Blood Prince" is to be published in July.The British children's edition will be fronted by by a picture of Harry and Professor Dumbledore in a ring of fire, the Sun newspaper reports.

The adult edition's cover features a drawing of something that appears to be an antique watch, the Sun said.

The children's cover is by British artist Jason Cockcroft, who also did the cover for "Harry Potter and the Order of the Phoenix."

In the "Half-Blood Prince," Harry is now in his sixth year at the Hogwarts School of Wizardry and Magic.Writer J.K.Rowling has said that the series will end with the seventh book.