Timothy Knapman 
My Uncle Foulpest: Teacher Trouble [EPUB ebook] 

Wally just wants to be an ordinary, normal boy living an ordinary, normal life – then his uncle Foulpest comes to look after him. Foulpest is an ogre, and he has other ideas. Foulpest means well, but he just can’t help causing chaos – whether it’s accidentally sending Miss Nutkin through the roof at the school parents’ evening or employing some very dubious elves to clean up their house in time for a sleepover