If you have not heard about the world's most brilliant crime solver of all time, the consulting detective, Mr. Sherlock Holmes, you have undoubtedly spent your years beneath a large rock -- for much has been written about him. Those familiar with Mr. Holmes know that a gang of homelss boys, called the Baker Street Irregulars, assisted him in his crime solving.When a murder at the circus unravels another, far more treacherous crime, the master detective and the boys of the BSI must pursue terrifying villians to solve this mystery, dodging danger at every turn....Follow the boys of the BSI on this fast-paced mystery that is thrilling to follow!

If you have not heard about the world's most brilliant crime solver of all time, the consulting detective, Mr. Sherlock Holmes, you have undoubtedly spent your years beneath a large rock -- for much has been written about him. Those familiar with Mr. Holmes know that a gang of homelss boys, called the Baker Street Irregulars, assisted him in his crime solving.When a murder at the circus unravels another, far more treacherous crime, the master detective and the boys of the BSI must pursue terrifying villians to solve this mystery, dodging danger at every turn....Follow the boys of the BSI on this fast-paced mystery that is thrilling to follow! Tracy Mack is the author of two celebrated novels: BIRDLAND, a Book Sense Top Ten Book, a Sydney Taylor Award Honor Book, and an ALA Best Book for Young Adults; and DRAWING LESSONS, a Booklist Top Ten First Novel and a Teen People NEXT Award Finalist.Michael Citrin is an attorney and has been a Sherlock Holmes fan since he was a young boy.Together they have written the Sherlock Holmes and the Baker Street Irregulars series published by Orchard Books. Tracy and Michael are married and live in the Berkshire Hills of western Massachusetts with their three young children.Tracy Mack is the author of two celebrated novels: Birdland, a Book Sense Top Ten Book, a Sydney Taylor Award Honor Book, and an ALA Best Book for Young Adults; and Drawing Lessons, a Booklist Top Ten First Novel and a Teen People NEXT Award Finalist.Michael Citrin is an attorney and has been a Sherlock Holmes fan since he was a young boy. Tracy Mack and Michael Citrin are married and live in the Berkshire Hills of western Massachusetts, with their two young children.