Mastering Manga 3 Announced; Input Sought

Mark Crilley has posted the below YouTube video announcing that Mastering Manga 3, a followup to Mastering Manga With Mark Crilley and Mastering Manga 2: Level Up With Mark Crilley, will be published next year (2016).

He says in the video that he has plans for what he wants to cover, but he also wants to know what suggestions readers would like to see. He asks for ideas for what he hasn’t covered or what people think he didn’t cover thoroughly enough. They should be made by commenting on the video page. There are already over 2,500 of them!