Modern and stylish, Tonelli bookcases are functional and really beautiful. The designs are meticulously curated so that they are durable and stunning. Tonelli specializes in researching the best way to manufacture glass furniture. Glass bookcase is great for maximizing space—it makes the space of any room bigger than it actually is because of the extra clear characteristic. There are so many designs to choose from—some modular, others are free-standing; some designs are quirky and others are just gorgeous.