Children's author Jacqueline Wilson releases 500 balloons to launch World Book Day, the U.K.'s largest celebration of books and reading, at the Unicorn Theatre in London on Thursday, March 2, 2006. The balloons carry contest entries for book tokens. Every school child in England also received a one-pound book token as part of the campaign to encourage reading.
(Photo: Getty Images/Gareth Cattermole)
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