Michael Morpurgo has been announced as the 2005 Blue Peter Book Award winner.
The popular children's author was awarded the top prize for his book Private Peaceful which also won the "book I couldn't put down" category.
The prestigious awards are judged by a specially selected panel of children.
On winning, Michael Morpurgo said: "To win a prize is always encouraging to a writer. To win a prize judged by your readers is something very special indeed."
Private Peaceful is a children's book set in the First World War. It describes the last hours of Private Thomas Peaceful who is also the narrator of the story.
To date the book has already sold over 150,000 copies in the UK.
In fact Private Peaceful has been so succesful it won The Red House Children's Book Awards in 2004 .
It was also shortlisted for the Whitbread Children's Book Award and the Carnegie Medal.
Michael Morpurgo is the author of over ninety books and was the Children's Laureate from 2003 to 2005.