The first book in the series won the Scottish Children's' Book award
Plus one activity book and one mini-story for World Book Day. That means a new book every 3 months.
The World of Norm: May be Recycled only came out a few months ago but it's already a best-seller
2 years ago there was a competition to see where readers were taking their World of Norm books. There were books in Hong Kong, Italy and Australia!