Personalized Book Lovers Gifts Unicorn Librarian Adult Sweatshirt. Unicorn sits on a stack of colorful books on this gift for a bookworm, librarian, book lover. Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.