Barnaby Cole's passion is detective stories and Barnaby wants to be a detective but the problem is he's not very good at it and all the other children in school make fun of him. There's more important things going on at school though because the children all want to earn some money to send Geoff away on a gymnastic course. Rallied by the incredible Jessica they all put on a fete that raises much more than they intended and they are left with the problem of what to do with the extra money. But someone is stealing lunches from the locker room and Barnaby bets everybody he will find the culprit. But he's still not very good at it: he gets locked in his own locker, he has his own lunch stolen and finally covers the Headmistress with soot!This charming novel is written by a bestselling author and will have you laughing all the way through.