The following books have had a big impact on me. Due to my ADD, reading was not enjoyable to me. It felt like torture. 

I discovered audiobooks, which opened the door to enjoying books. I use Audible.com, but there are other options. I often will buy the traditional book and read along while listening to the audiobook, this is my most effective way to learn. 

Regardless of what works for you, I suggest you read or listen to the following.