While JK Rowling’s creation Harry Potter may seem to be unrivalled when it comes to popularity amongst youngsters, author Jeff Kinney took the glory on Wednesday’s Blue Peter Awards function in Manchester. Kinney’s Wimpy Kid narrative topped Rowling’s Harry Potter and was polled as the best children’s book of the decade. In the race were authors Jacqueline Wilson, Anthony Horowitz, Charlie Higson, John Grisham and Francesca Simon. More than 15,000…

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