if you haven’t heard of them, then see what their credentials are. Regular books are still best for providing illustrations for you to check out, though, so you don’t want to give up on reading just yet, especially considering that this isn’t going to be boring materials. These are becoming more common, and can be good if you want to listen to something while you’re training.
How to Find the Best Bodybuilding Book for You.
Things to Look for in a Bodybuilding Book.