Author: J. J. Marric
Alternate names: John Creasey; J J Marric; J. J. MARRIC; J. J Marric; j marric; j. j. marric; J.J. Marric; J.J Marric; J.J MARRIC; J.J. MARRIC; J.J.Marric; Marric; Ivian Butler; William Vivian Butler
Bio: "J. J. Marric" is a shared pseudonym of John Creasey (1908 - 1973) and William Vivian Butler (1927 - 1987). The latter used the characters created by John Creasey.