Summary: Often times in a Sir Arthur Conan Doyle mystery involving Sherlock Holmes, the protagonist relied on the assistance of individuals that he referred to as the Baker Street Irregulars. These "irregulars" were the people of the streets or in this case the children. These kids were more than likely orphaned or abandoned to the streets of London, left to fend for themselves. Despite their sordid lives, Sherlock saw them as invaluable and would consistently turn to them for help. In The Baker Street Four , we follow three such children, Tom, Charlie, and Billy, along with their pet cat, Watson, on two of their own personal cases: The Blue Curtain and The Rabúkin Case. The children get to practice the techniques that they most likely learned from associating with Holmes and their own street-wise expertise in order to solve their mysteries, which it turns out to be a great help to those they're aiding. As we get to know each of these kids, we learn that each one