Katherine Paterson, author of "Bridge to Terabithia", poses alongside her son David Paterson, writer/producer of the film version, at premiere of the film in Los Angeles

Katherine Paterson (L), author of the novel "Bridge to Terabithia", poses alongside her son David Paterson, writer/producer of the film version, at the premiere of the film in Los Angeles February 3, 2007. REUTERS/Chris Pizzello (UNITED STATES)