Do you have any advice for writing from a child's perspective?
Kids are not sweet little dolls - they are honest, which can be both adorable or (often unknowingly) hurtful. Kids are not stupid - they are ignorant (it’s not the same thing, and it’s not their fault). Kids are not fragile - they are irrational, largely due to a lack of emotional maturity and perspective of the world. Those are important things to keep in mind while writing youngsters. You were a kid once - tap into those memories.
Last thing: remember that kids stop speaking like toddlers once they’re, well, not toddlers anymore. I see lots of newbie writers putting words like “doggie go ruff ruff?” in the mouths of seven year olds. Come on. A first grader can form a complete sentence.