Let's Start at the Very Beginning, A Very good Place to start...
I love using Audible to read the majority of my books, but I do have a method to my madness...
I consume a lot of material, loosely based on the Classical Method of learning, which I learned when I began home-schooling my children. Here are the steps:
Listen (like a quick read through; I use Audible)
If I like the book, purchase the hard copy
Look through, underline, and take notes
Some of these links are affiliate links; duh, right? I'm sure you already knew that, but hey, I MUST legally warn you-just in case...so go ahead, click my link; I'll get a few cents for your purchase!! Woot Woot!! Rollin' in the dough!!