That crazy medieval wizard's apprentice is back in print! Creating mayhem wherever he goes, Denzil is laugh-out-loud fun. Now there's a fourth title in the series, previously unpublished - The Silver Dragon. Denzil lives in a time when monks copy books by hand using quills and ink, and write on parchment made from animal skins. Books are rare and very precious, and only the rich can ever learn to read. However, Denzil has travelled by magic to the future and there, in the home of his friend Sam, he has seen books made on machines - and suddenly Denzil wants to invent such a machin...But as usual, Denzil's spell gets out of hand and puts himself, and his friends from the future, and even the history of his world, in the most terrible danger.