Knitbone Pepper : The Last Circus Tiger by Claire Barker (Illustrated by Ross Collins)

Knitbone Pepper is a friendly ghost dog, haunting the crumbling Starcross Hall with a gaggle of other ghostly pets.

When Knitbone and his beloved owner Winnie invite the circus to Starcross, the spooks are so excited!  But amidst the magicians, the acrobats and the clowns, Knitbone senses something beastly in the Big Top...