0 technology-black-red-factual-book-cover-ideas-with-heart-molecule-facts-metoprolol-cardiology-ecg-hypertension-01fcfce823 This design combines authoritative elements like the ECG wave and metoprolol molecule to visually confirm the book’s focus on cardiology and hypertension. The sleek sans-serif fonts communicate a factual, science-forward aesthetic, in line with the science_and_technology genre. The gradient background of red and black conveys urgency and importance while maintaining an air of professionalism. Incorporating tactile effects like spot UV gloss on the title, ECG wave, and molecule adds sophistication, enhancing the cover’s memorability and appeal. The overall composition underscores easy readability of the title while reinforcing the book's connection to medical science.