Optimum Publishing opened their doors in 1970.
Genre: Nonfiction, including Canadian affairs, true crime, business and biography.
Word count: Not stated.

Optimum Publishing opened their doors in 1970.
Genre: Nonfiction, including Canadian affairs, true crime, business and biography.
Word count: Not stated.
If you’d like to know if Optimum Publishing is accepting manuscript submissions in March 2026, please head over to my publishers page where you can view publishers by genre or location.