A Three-Corgi Problem

This is the second book in a detective series where Queen Elizabeth II uncovers crimes between her royal duties. Sherlock Holmes, to solve a complicated case, needs to smoke three pipes. And the Queen thinks best when she walks her three dogs in the garden of Buckingham Palace. This time, Her Majesty investigates the disappearance of a favorite painting and the mysterious death of a maid. Could there be a strange connection between these two incidents?