Invisibility Formula

The Rosa Arroya International Detectives are called in to investigate. In cases of this magnitude, two heads are better than one, so Rosa teams up with Barry "Bud" Black. Together, they discover that a secret invisibility formula has been stolen. Who would have suspected NASA to be infiltrated with spies, secret surveillance, and even traitors, who will stop at nothing to keep the IF in the hands of the wrong people?

"Invisibility Formula: Code Name IF" is a fast-paced mystery that will keep you guessing. Filled with intrigue and high-tech spy technology, this case won't be easy for Arroya and her crew. But with a little intuition and a lot of courage, Arroya and Black just might stumble on the guilty party and prevent a world of harm from being committed.