You have uncovered a mystery too strange to explain. Cats that are there but... aren't. As invisible tails flick and unseen paws prance, you need to figure out what's going on fast Should you investigate? How will you keep the discovery secret? The fate of the invisible cats is in your hands in this exciting You Say Which Way adventure where every decision leads to a different outcome. A great gift for readers aged 9 to 12 years.
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