"And if I'm not mistaken," said Blackthorne, peering into the microscope, "we can narrow down our list of Mr. Kirkpatrick's visitors to a dalmatian, a Sussex spaniel, a poodle, a weimaraner..." -- Blackthorne looked up from the microscope -- "and an orange-haired cat."
Samuel Blackthorne, a Yorkshire terrier, is a master of observation and a genius of deductive reasoning who earns his living by unraveling mysteries and solving crimes.
When...