The seventeenth laugh-out-loud, fully illustrated Tom Gates adventure! Tom´s doing everything possible to stay out of trouble but somehow he´s got THREE sad faces :( :( :( on the school achievement chart! And getting another sad face means Mr Fullerman won´t let him go on the SCHOOL TRIP! Moany Marcus Meldrew is making things worse and now Tom´s annoyed his grumpy sister Delia. Can his best friend Derek help? Will Rooster the dog stop eating his homework?