The first Horrible Histories book, written by Terry Deary, first hit the shelves a remarkable 33 years ago and has since become a historic event in its own right, with the franchise growing and growing. There have now been 23 books, several TV series, a game show and a film. Also, of course, it is now a stage show, with both Terrible Tudors and Awful Egyptians on a current tour around the country. However, here, now briefly at Milton Keynes Theatre, as part of its own tour, is Horrible Histories - The Concert . So, given the franchise's past success, what is this concert version adding to the franchise? The quick answer is bundles of fun with lashings of subliminal education, as Horrible Histories is very much known for. The cast, created from a collection of mainstays of the original series or tours and a few extras, are as enthusiastic as possible for a production, very much initially aimed at an audience of children. Bold, big in character and overplaying everything, you canno...