For most books, especially common hardcover or paperback books, the height of each book is usually between 8 inches (about 20 cm) and 12 inches (about 30 cm). Therefore, the height of each shelf of the contemporary style bookcase should be at least between 12 inches and 14 inches to ensure that these books can be easily stored and conveniently accessed.

Modern farmhouse style is a home style that combines traditional farmhouse style with modern design elements. Traditional farmhouse style originated from rural life and is characterized by the use of natural materials, rustic craftsmanship and functional design. Modern design focuses on simplicity, smooth lines and a balance between functionality and beauty.