'My mum and dad are so busy looking after my brand new baby brother, Desmond Loser the Second, that sometimes I wonder if they even know I exist.' There's a new Loser in town, and Barry's not happy about it. The only thing that's keeping him going is a superkeel new drink from Feeko's Supermarket. But then disaster strikes, and Barry has to turn detective to solve the mystery of the century: the case of the crumpled carton! Don't miss the other books in the series: I am not a Loser, I am still not a Loser, I am so over being a Loser, I am sort of a Loser and Barry Loser and the Holiday of Doom.