The twelfth in a smash hit series of hilarious tales about primary school life from best-selling, award-winning creators! Packed with excellent black and white illustrations, this is the perfect longer read for newly confident readers. Nothing is quite as it seems for Izzy and her friends, and the drama is always off the scale!Izzy's school is being merged with St Bartholomew's Primary, their greatest rivals! What will happen when the new kids join, in their too-shiny shoes and with their too-loud singing? And what if they've got a secret mission and that mission is a BAD mission?Only Izzy and her friends can discover the truth, even if they must go SO DEEP UNDERCOVER that they might not come back...
