The Wolves in the Walls is a book by Neil Gaiman and Dave McKean, published in 2003, in the United States by HarperCollins, and in the United Kingdom by Bloomsbury. The book was highly praised on release, winning three awards for that year. In 2006, it was made into a musical which toured the UK and visited the US in 2007.Neil Gaiman has said the story was inspired by a nightmare his daughter Maddy, then aged 4, had that there were wolves in the walls.