Someone is stealing the chalks' lovely drawings. But he leaves some dust at the scene of the crime and only one suspect has a dusty red bottom! Sergeant Blue is quick to solve the investigation and bring the case to a happy conclusion for all!

The young chalks are busy at the chalkboard but someone keeps stealing their drawings . . .Mrs Red calls Sergeant Blue to investigate but when the culprit is caught, he absconds in a cloud of chalk dust. The chalks find another way to lure the suspect into their hands and it is only then that they discover they've misjudged the poor chalk rubber all along . . .

With a stunning graphic look on a chalkboard-black background, this is a fun story where readers truly participate in the investigation: looking for the clues, assessing the line-up of suspects, and closing in on the culprit.

For We're in the Wrong Book!

'In another hilarious story from Richard Byrne, Ben and Bella . . . experience many exciting adventures . . . The differing formats on every page, the bold, clear block text, the colourful eye-catching illustrations and the comical quirkiness of the plot will make this title a definite favourite to be returned to again and again.'

For This Book Just Ate My Dog

'a thoroughly interactive and hilarious reading experience'

For This Book Just Ate My Dog

'ingenious, funny and a simple yet insightful concept'