The Prodigal Son (Carmine Delmonico Series #4)

The fourth entry in this “compelling, passionate, and gritty” (Daily Mail, London) series by internationally acclaimed bestselling author Colleen McCullough sends Carmine Delmonico on a heart-pounding ride through the world of toxic substances and brilliant biochemists to pursue a mysterious killer on the loose.

Holloman, Connecticut, 1969. A deadly neurotoxin extracted from a blowfish disappears from a laboratory at Chubb University, and biochemist Millie Hunter knows the danger is immediat...