Wiggins is arrested by the police on suspicion of murder!

The rest of the Baker Street Irregulars leap into action, but they are in a deadly race against time - Wiggins is due to be hanged.

The Irregulars discover the existence of Moriarty's crime ledger and must use it to clear Wiggins's name, and to stop "M" once and for all... Follow the adventures of the Baker Street Irregulars as they hunt for clues and crime-solve their way across London in these full-colour graphic novels.

This is book 4 in a new series written "in canon" by New York Times best-selling author Tony Lee, drawn by critically acclaimed artist Dan Boultwood, and supported by one of the world's foremost authorities on Sherlock Holmes, Leslie S.

Klinger.