Book details
The Mystery of the Invisible Dog
The Three Investigators, 1975 by Arthur Robert
on Goodreads (1,915)
Description
The Mystery of the Invisible Dog revolves around the story of eccentricities of an inventor and his incredible invention that makes any living thing invisible. It all begins when the Three Investigators are given a job to find a lost dog, only to later discover that the dog in question is actually invisible.