The Children's Book Award is so special because it's voted for entirely by children.
More than 20,000 kids from all over the UK took part and voted for their fave book.
The three top winners were:
Skeleton Key by Anthony Horowitz
Pants by Giles Andreae and Nick Sharratt
Blitzed by Robert Swindells
But Skeleton Key was named the overall winner at a posh ceremony in London.
Books which win the Children's Book Award usually go on to be huge bestsellers.
Past winners include Harry Potter and the Philosopher's Stone, Harry Potter and the Chamber of Secrets, and Eat Your Peas.
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