Publisher's Synopsis
When Mr Petrusca, the fishmonger, finds his prize lobsters stolen, he is very upset. But then she discovers that the thief left a coded note, which Mr Petrusca is unable to read. It takes all Hazel's ingenuity to crack the code, solve the mystery, and then help Mr Petrusca learn to read. For ages 8-12, or read-aloud to younger ones.