Start with high-confidence genetic disorders books, then narrow by subgenre or adjacent topics.
The Cure
Geeta Anand
Survival of the Sickest
Dr. Sharon Moalem, Jonathan Prince
Dirty Genes
Dr. Ben Lynch, Ben Lynch
Outsmart Your Genes
Brandon Colby MD
Beat the Heart Attack Gene
Bradley Bale M.D., Amy Doneen ARNP
An Ordinary Day
Karen Haberberg
Epigenetics
Joel D. Wallach D.V.M, Ma Lan M.D.
Biogenealogy: Decoding the Psychic Roots of Illness
Patrick Obissier
Twisting Fate
Pamela Munster, Pamela N. Munster
Breath From Salt
Bijal P. Trivedi