"Learning to write prose is tough, and it can take years of struggle to grasp the basics. You have to understand construction, character, theme, pacing, the effects of word choice, the specifics of your subject and so much more. Learning to write a collaborative form like comics just adds new troubles and traps as you run into the difficulties inherent in the medium, or specific to the people you’re working with."

Advice from a pro about writing for comics.

A good piece about the importance of actual practice.