The Fabulous MR Wiz (Paperback) (ISBN-13: 9781789553123)

School days are generally pretty dull for the pupils of Class 4B. However, all this changes, when one day, they are left in the capable hands of a supply teacher, who turns out to be anything but your average teacher. In fact, he proves to be anything but your average person, and the children experience a day they will never forget.