Barnaby Grimes is a tick-tock lad, running errands in his city, day and night, and 'high-stacking' around the rooftops in search of new mysteries to solve. In this first adventure, Barnaby is attacked one night by an enormous dog. He kills it - but that's not the end of this particular mystery . . . as Barnaby finds himself swept up in a world of crooked doctors, poor and ill-advised patients, strange tonics and very expensive furs. Could there be more to the seemingly respectable Dr Cadwallader and the tonics he doles out to the poor? Is there a link between the tonic and the huge dogs - or possibly wolves - that are roaming the city at night? When Barnaby's old acquaintance Benjamin goes missing, Barnaby fears the worst for him, and decides to dig deeper.

Barnaby Grimes is a tick-tock lad on a mission - to collect a parcel from the docks and deliver it to a famous school. But dark forces have been released and, as Barnaby returns to Grassington Hall School he is about to find out the full extent of the horror.

“The corpses swayed where they stood, their bony arms outstretched before them and tattered sleeves hanging limply in the foggy air. I smelled the sourness of the sewers about them; that, and the sweet whiff of death. Their sunken eyes bored into mine. I was surrounded...” Barnaby Grimes is a tick-tock lad, delivering messages and running errands all over the city, day and night. Gangland funerals and diving expeditions are hazardous enough, but when the graveyards begin to give up their dead, this tick-tock lad is faced with his deadliest challenge yet... A blood-curdling tale of greed and betrayal. Will Barnaby be defeated by the Legion of the Dead? Paul Stewart and Chris Riddell’s incomparable Barnaby Grimes returns for another adventure in the third installment of the brilliantly exciting horrorthriller series set in Dickensian London.

Barnaby Grimes is a tick-tock lad, high-stacking his way across the rooftops of his city in search of adventure and mystery. In each tale, he encounters a supernatural force and must battle the horrors that await him. In the fiercely competitive world of early photography, the rewards are immense but so are the risks. After an experiment goes disastrously wrong, Barnaby finds himself on the trail of a mad chemist with a talent for disappearing into thin air . . .