The invisible detective: shadow beast

Arthur Drake is only just beginning to understand how he is linked to the Invisible Detective’s casebook written over eighty years ago. But there’s no time to investigate further – a monster is loose in the city, and Arthur must get help from the past. London, 1936. How can a daring bank robbery be linked to a missing cat? And why are the local rats overrunning houses and attacking people? Only the Invisible Detective can discover the answers as they hunt the robbers – and track down a monster.