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 homeless 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 villains to solve this mystery, dodging danger at every turn . . .

 

 

This book is part of a book series called Sherlock Holmes And the Bsi .

This book is aimed at children at US 3rd grade-7th grade.

This book has been graded for interest at 9-12 years.

There are 272 pages in this book. This book was published in 2009 by Scholastic US .