Immune: Immune, Book 1 (Unabridged‪)‬

Gatley Hansberry, an Ex MI6/ FBI liaison, finds himself protecting his grandson Sammy Foxx from an underworld Shadow government who has been conducting experiments on humans since the 1950s, enhancing abilities, their senses and immunity, trying to create the perfect human as a weapon. When the evil Doctor finds out that Sammy has what he wants, he will stop at nothing to get the secret from the Young Man.