With the fate of the world resting on the outcome of his battle against the mud dripping minotaur, Tom's final exam is one that is certain to test his combined knowledge in the field and, if he survives, rightfully earn him his Ghosthunting Diploma once and for all.

With the fate of the world resting on the outcome of his battle against the mud dripping minotaur, Tom's final exam is one that is certain to test his combined knowledge in the field and, if he survives, rightfully earn him his Ghosthunting Diploma once and for all.

Timid nine-year-old Tom Tomsky reluctantly agrees to help professional ghostbuster Hetty Camomile dispel an IRG (Incredibly Revolting Ghost) from an old house.

Mrs Worm and Gloomburg Castle are taken over by ghosts.

Tom's stuck at home with his horrible sister, Lola. But there's something stickier hiding out in his cellar - a slime-dripping ghost called Hugo. Hugo is harmless, and he's being haunted by a much bigger, badder, incredibly revolting ghost.