Start with high-confidence genetics books, then narrow by subgenre or adjacent topics.
His Brother's Keeper
Jonathan Weiner
Dirty Genes
Dr. Ben Lynch, Ben Lynch
Epigenetics
Richard C. Francis
Outsmart Your Genes
Brandon Colby MD
Valley of Forgetting
Jennie Erin Smith
The Genome Odyssey
Dr. Euan Angus Ashley
Lifespan
David Sinclair, Matthew D. LaPlante