The advice always given to young writers by professionals is to read – a lot. Then the advice is; learn to recognise good writing and then read consciously so as to understand what the writer is doing and why. And always the technical (grammar, spelling, structure, editing) go hand in hand with the artistic (word choice, plot, dialogue, setting, character).
And not surprisingly my advice to young visual designers is to do the same. Look at Continue reading Advice for Design Students.