Is it a Crime? How could famous Smiling Sally's Diner in Chicago vanish? And just where would it go?Rockhopper penguin detective Mr. Pin and his friend Maggie are soon on the case. Could Mercury the Magician be involved? Could he be in two places at once? The biggest question loomed large. Why would anyone steal a diner?Follow a magical trail of clues, red herrings and tricks to solve the mystery. As an educational bonus, a glossary and a play designed for the classroom are included. Children ages 7-10 will enjoy this mystery and others in the series rich with Chicago detail. With examples of helping people when they need it most, there is an underlying theme of kindness. This is the sixth Mr. Pin book in the delightful series written by Mary Elise Monsell.