Buy a Book Day is celebrated every September 7 and promotes the importance of reading while supporting authors and publishers. Observed internationally, this day encourages individuals to invest in new books, fostering a love for literature. Typical customs include purchasing books from local independent bookstores or online retailers, gifting books to friends, and donating to libraries. Bookstores and publishers often engage readers with special promotions, author events, and themed sales. Major retailers like Barnes & Noble and Amazon typically offer discounts on bestsellers and new releases. Social media is also utilized to share book purchases and recommendations using the hashtag #BuyABookDay. The day highlights the cultural significance of reading and aims to keep the literary community vibrant.