Louise Yates and Louise Rennison have been named as winners in the Roald Dahl Funny Prize 2010.
Yates won the funniest book for children aged six and under prize with her Dog Loves Books, while Rennison's Withering Tights took home the funniest book for children aged seven to 14 title.
Founded in 2008 by then-children's laureate Michael Rosen, the award seeks to recognise books that make children laugh and carries a prize of GBP 2,500 for each category.
Judge Philip Ardagh commented: 'Coming up with the shortlists was hard enough but choosing the two winners involved heated debate, nerves of steel, knowing when to fight one's corner and when to be swayed, forging alliances and then breaking them.'
In winning her prize, Yates saw off competition from a shortlist that included Angelica Sprocket's Pockets by Quentin Blake and Anna Kemp's Dogs Don't Do Ballet.
Mr Stink by David Walliams and Anthony McGowan's Einstein's Underpants and How They Saved the World were two of the titles contesting the prize won by Rennison.
Last year, Mr Pusskins Best in Show by Sam Lloyd and Stinking Rich and Just Plain Stinky by Ardagh were the winners of the Roald Dahl Funny Prize.
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