Catherine Coulter was born on December 26, 1942 in Cameron County, Texas. She received her undergraduate degree from the University of Texas and a master's degree in early 19th century European history from Boston College. Her first novel, The Autumn Countess, was published in 1978. Before becoming a full-time writer in 1982, she worked on Wall Street as a speech writer. Since then she has written over 65 books including The Aristocrat, Afterglow, False Pretenses, Impulse, and Born to Be Wild. She also writes the FBI Thriller series and numerous historical romance trilogies including the Song, Star, Magic, Night, Bride, Viking, and Legacy Trilogies. She writes A Brit in the FBI series with J. T. Ellison.

J. T. Ellison received an undergraduate degree from Randolph-Macon Woman's College and a master's degree from George Washington University. She was a presidential appointee and worked in The White House and the Department of Commerce before moving into the private sector. Her short stories have been widely published, including her award winning story Prodigal Me in the anthology Killer Year: Stories to Die For, edited by Lee Child. Her novels include All the Pretty Girls, 14, Judas Kiss, The Cold Room, The Immortals, So Close the Hand of Death, and Where All the Dead Lie. She writes A Brit in the FBI series with Catherine Coulter. She is also the bi-monthly Friday columnist at the blog Murderati.