I'm a grad student in experimental pathology and am interested in reading
more about the connection between heart disease and dietary fat intake

writes:

If the following books were read by more Americans and their physicians
and incorporated into their lifestyles, the incidence of coronary
disease (as well as the other major chronic diseases)in this country
would plummet:

Ornish, Dean, M.D., Dr. Dean Ornish's Program for Reversing Heart
Disease, Ballantine Books, 1990

McDougall, John A., M.D., The McDougall Program (12 Days to Dynamic
Health), A Plume Book, 1990

Pritikin, Nathan, The Pritikin Promise: 28 Days to a Longer, Healthier
Life, Pocket Books, 1983

Robbins, John, Diet For a New America, Stillpoint Publishing, 1987
(Part Two focuses on fat in the diet).