Just because you've grown up, doesn't mean you can't enjoy (even benefit from) words and pictures put together!
Graphic storytelling for children, published by the government, can just as often take the form of a coloring book as it can a traditional comic book!
Sometimes, you happen across a comic in a call number range or on a subject that is charmingly surprising!
Numerous documents published by the government engage thoughtfully, and even critically, with literature aimed at children.
The Library of Congress has, for decades, hosted talks/conferences/symposia on literary matters both timely and timeless.