S. D. Perry
Stephani Danelle Perry (credited as S. D. Perry in her works) is a novelist living in Portland, Oregon. She is the daughter of writer Steve Perry.
A novelization of the science fiction film Timecop (IMDB link).
When a corrupt senator breaks the rule against time travel, the Time Enforcement Commission sends Max Walker after him, but Max must resist the temptation to save his wife, who was murdered ten years ago.