Haven't read it, but /u/morjax has an ebook on Amazon. I respect and trust his opinion enough to recommend it.

https://www.amazon.com/Morjaxs-YouTube-Creators-Guide-Sourcebook-ebook/dp/B07818MNXY/ref=sr_1_1?ie=UTF8&qid=1514517963&sr=8-1&keywords=morjax