When orphans vanish from their beds across Victorian London, twelve-year-old demystifier Hemlock Jones and her companion, Edward, take the case This time, the trail will lead them from their Baker Street home, along lost rivers and into the heart of the city, to face exotic enemies and a charming man with dark plans...

Hemlock Jones & The Underground Orphans is the second of the Hemlock Jones Chronicles, the award-winning series of detective adventures for children and adults.