Take three and pay for only two with coupon TRIPLEEN Buy 3: 50% off the 3rd with TRIPLEEN50 Frédéric Mars was born in 1968 in the vibrant city of Paris. His professional career successfully combines the roles of writer and journalist. He is widely recognized for his main work, Le Manuel du serial killer. His literary style focuses primarily on the crime novel and thriller genres. Throughout his career, he has published a total of five literary works. 
