I don't know if it's based on any one book or not.As I haven't read them.
This is a link someone else gave me earlier though.
(This is a link someone else gave me earlier though.
Mu Dinofiddler,
Wed 18 Mar 2009, 20:18,
archived)
I think it stems from this book(
maiden is filmed before a live studio audience,
Wed 18 Mar 2009, 20:21,
archived)