There are 1 book by Jeffrey Hagen on BookOrb. A strong starting point is Diabetes Discovered (2024). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Jeffrey Hagen written?
BookOrb lists 1 book by Jeffrey Hagen.
Where should I start with Jeffrey Hagen?
A good starting point is Diabetes Discovered (2024).
What is the Jeffrey Hagen books in order list?
In publication order: 1. Diabetes Discovered (2024).