0 travel-green-researcher-book-cover-ideas-with-grid-data-bus-terminals-frequency-routes-population-3b4ae3429f The green color scheme represents sustainability and aligns with the book's focus on an electric bus transportation network. The image of the bus and the hexagonal grid pattern visually convey the technological and data-driven aspects of the book's research. The clean and bold typography ensures legibility and professionalism, while the matte paper stock adds a tactile and refined touch to the cover design. Overall, the design elements work together to create a visually appealing and genre-appropriate book cover.