Harry Potter actors Dan Radcliffe (Harry Potter) and Emma Watson (Hermione Granger) are among the actors included in the 2010 edition of the Guinness World Records Book.  The latest edition of the venerable reference guide includes records for the two actors in categories relating to the continued box office success of the Harry Potter films.  Mr. Radcliffe was named "Highest-Grossing Actor of the Decade," while Miss Watson now holds the record for "Highest Average Box-Office Gross for an Actress."  The press release notes of Radcliffe and Watson:

The inclusion of Radcliffe and Watson follow such other notable additions on the 'Most Powerful' records, including actor Johnny Depp (Pirates of the Caribbean) as "Most Powerful Actor" and actress Angelina Jolie (A Mighty Heart) as "Most Powerful Actress."  Guinness World Records 2010 will be released on September 1th and retail for $28.95.