An illustrated adaptation of Sir Arthur Conan Doyle's classic Sherlock Holmes mystery - at an easy-to-read level for readers of all ages!'If convenient, come to Baker Street at once. If inconvenient, come anyway.' Holmes. When Watson rushes to Baker Street only to find it is for a case about a professor's misbehaving dog, he is not pleased. What he doesn't know is that Holmes is really investigating the professor's seriously strange behaviour - crawling through the hallways, hiding secret letters and even climbing the side of his house. No one knows why or how it is happening, but one thing is for sure: there's something creepy about Professor Presbury ...