The Baker Street Irregulars in the Case of the Ghost Grabbers

When a ghost starts haunting Sir Jasper's family home, four young sleuths investigate a crime from the past and a crime they anticipate.

The Adventure of the Missing Detective
By Tony Lee, Dan Boultwood
The Baker Street Irregulars move into 221B Baker Street when Sherlock Holmes goes missing, and agree to help Eliza Mayhew find her grandfather, the Lord Mayor of London.
Sherlock Holmes: The Baker Street Irregulars
By Eric Coble
Sherlock Holmes is missing, and the streets of London are awash with crime.
The Baker Street Irregulars in the Case of the Missing Masterpiece
By Terrance Dicks
When an early painting by Constable is stolen from a private collector, four English children decide to solve the crime.
The Adventure of the Phantom of Drury Lane
By Tony Lee, Dan Boultwood
When a phantom begins scaring people at the Theatre Royal, the Baker Street Irregulars must decide if events have anything to do with three terracotta lions that have arrived from China at the British Museum.