The document summarizes some key techniques used in graphic novels and children's books. It discusses how "Before Watchmen" uses thought boxes instead of thought bubbles to convey characters' thoughts. It also notes the use of speech bubbles pointing outside the page to indicate a character is speaking. Additionally, it explains that children's books often use thick cardstock pages of varying sizes, simple and bold images on a plain white background, making the content easier for children to understand visually.