Vibrant Book Cover: Deep Reds & Blues

Create a bold cover using a striking color palette, such as deep reds or blues, to convey strength and assertiveness. The background should feature a simple graphic, like a stop sign or a closed door, symbolizing boundaries. Use a modern, impactful font for the title, highlighting "Saying No." Incorporate subtle visual elements, like lines or barriers, to represent protection and limits. Place the author’s name, "Great Learner," at the bottom in a clean, understated font. The overall design should evoke empowerment and clarity in setting boundaries.