One more secret

A schoolteacher was supposed to be respectable, and Kelsey went to great pains to keep secret the fact that she wrote detective novels, as Joe Rocco. So she was stunned and nervous when Bart Malone wrote Joe Rocco asking if he could help in solving a problem for him! Bart's chain of supermarkets had been sued for negligence of customer safety in so many times he was convinced someone was behind it all.