“I found Invisible Darkness a superior example of a dying breed the straight, unhyped, literate work of true-crime"
- Jack Olsen, Edgar-Award winning author of Doc
"By far the most intelligent and subversive of the Bernardo triptych."
- Lynn Crosbie, Globe and Mail
"Williams has performed a remarkable, if unconventional, feat in the annals of true crime."
- Judge Lynn King, Toronto Star